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8Year 8 Standards
Top Mathematicians
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Using number skills
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8.NS.1.1
Use number facts and relationships
• Learners are able to:
- recognise and apply key mental facts and strategies
- use known facts to derive others, e.g. use 7 x 6 to derive 0.7 x 6
- use the terms cube, cube root and reciprocal
- express cube numbers using powers
- express repeated multiplications as powers, e.g. 7 x 7 x 7 x 7 x 7 x 7 = 7? -
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8.78Prime and Composite Numbers10
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8.79Divisibility Rules with Numbers Up to 10,00020
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8.80Divisibility Rules with Dividend Up to 10,000,00020
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8.81Divisibility Rules20
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8.82Understanding Integers5
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8.83Integers: Understanding Integers5
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8.85Multiply and Divide Decimals by Powers of Ten15
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8.86Reciprocals15
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8.87Cube Roots of Perfect Cubes10
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8.88Understanding Exponents10
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8.89Evaluate Exponents10
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8.NS.1.2
Fractions, decimals, percentages and ratio
• Learners are able to:
- use equivalence of fractions, decimals, and percentages to select the most appropriate for a calculation
- simplify a calculation by using fractions in their simplest terms
- express recurring decimals using correct notation
- calculate a percentage, fraction, decimal of any quantity with a calculator where appropriate
- calculate the outcome of a given percentage increase or decrease
- express one quantity as a percentage of another
- simplify ratios including those given in different units
- use ratio and proportion to calculate quantities
- add, subtract, multiply and divide fractions -
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8.8Add and Subtract Mixed Numbers15
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8.9Multiply Fractions by Whole Numbers20
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8.10Multiply Fractions by Whole Numbers15
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8.11Divide Fractions and Mixed Numbers Up to 1/16, 1/3210
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8.12Divide Fractions and Mixed Numbers Up to 1/325
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8.13Divide Fractions and Mixed Numbers15
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8.14Divide Fractions and Mixed Numbers Up to 1/1610
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8.15Mixed Fraction Equations Up to 1015
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8.16Mixed Equations with Fractions, Mixed Numbers15
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8.17Equivalent Ratios5
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8.18Scale Drawings and Scale Factors15
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8.19Percents of Numbers5
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8.20Percents with Multi-Step Problems15
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8.21Percent Equations15
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8.86Reciprocals15
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8.90Convert Between Decimals and Fractions or Mixed Numbers10
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8.91Convert Between Percents, Fractions and Decimals15
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8.92Choose the Equivalent Fraction Up to Twentieths20
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8.93Choose the Equivalent Fraction15
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8.94Reducing Fractions to Lowest Terms15
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8.95Reduce to Lowest Terms20
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8.96Percents of Numbers and Money Amounts5
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8.97Percent Change15
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8.98Constant of Variation15
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8.99Percent Equations15
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8.100Equivalent Ratios15
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8.101Unit Rates15
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8.102Compare Ratios5
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8.103Solving Proportions15
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8.104Find the Constant of Variation15
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8.105Solving Proportions15
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8.106Estimate Using Proportions15
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8.107Add and Subtract Fractions20
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8.108Add and Subtract Mixed Numbers15
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8.109Multiply Fractions with Models15
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8.110Multiply Fractions15
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8.111Divide by Fractions with Models15
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8.112Divide Unit Fractions by Whole Numbers Up to 20 I15
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8.113Divide Fractions Up to 1/5, 1/7, 1/915
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8.NS.1.3
Calculate using mental and written methods
• Learners are able to:
- use efficient written methods to add and subtract numbers with up to 2 decimal places
- use efficient methods for multiplication and division of whole numbers and decimals, including decimals such as 0.6 or 0.06
- use the order of operations including brackets
- multiply and divide with negative numbers using mental methods -
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8.1Add and Subtract Decimals15
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8.2Add and Subtract Decimals Up to 1020
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8.3Add and Subtract Decimal Up to 10015
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8.4Multiply Decimals and Whole Numbers10
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8.5Divide Decimals by Whole Numbers15
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8.85Multiply and Divide Decimals by Powers of Ten15
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8.114Add and Subtract Decimal Numbers15
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8.115Mixed Equations with Decimals15
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8.116Multiply Decimals with Numbers Up to 10015
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8.117Multiply Decimals5
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8.118Divide Decimals15
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8.119Order of Operations5
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8.120Simplify Expressions Involving Integers20
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8.121Evaluate Expressions Involving Integers20
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8.122Evaluate Expressions with Decimals15
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8.123Integer Multiplication and Division Rules15
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8.124Multiply and Divide Integers15
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8.125Complete the Mixed Equation Sentence20
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8.126Multiply and Divide Rational Numbers15
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8.NS.1.4
Estimate and check
• Learners are able to:
- use rounding to estimate answers to a given number of significant figures
- present answers to a given number of significant figures -
8.NS.1.5
Manage money
• Learners are able to:
- carry out calculations relating to VAT, saving and borrowing
- appreciate the basic principles of budgeting, saving (including understanding compound interest) and borrowing
- calculate using foreign money and exchange rates -
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8.25Simple Interest15
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8.26Compound Interest15
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8.NS.1.1
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Using data skills
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8.ID.1.1
Collect and record data Present and analyse data Interpret results
• Learners are able to:
- plan how to collect data to test hypotheses
- construct a wide range of graphs and diagrams to represent discrete and continuous data
- construct frequency tables for sets of data in equal class intervals, selecting groups as appropriate
- construct graphs to represent data including scatter diagrams to investigate correlation
- interpret diagrams and graphs to compare sets of data
- find the mean, median, mode and range from ungrouped frequency tables
- use mean, median, mode and range to compare two distributions (continuous data) -
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8.34Interpret Line Graphs5
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8.38Rate of Change10
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8.39Interpret Line Plots5
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8.40Interpret Line Plots with Numbers Up to 405
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8.41Interpret Line Plots with Up to 5 Data Points5
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8.42Interpret Stem and Leaf Plots10
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8.43Convert Graphs to Input/Output Tables5
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8.44Interpret Box-And-Whisker Plots5
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8.45Scatter Plots5
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8.46Interpret Charts to Find Mode5
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8.47Interpret Charts to Find Mean, Median, Mode, and Range5
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8.48Interpret Charts to Find Median5
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8.49Interpret Charts to Find Range5
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8.50Interpret Charts to Find Mean5
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8.59Create Line Plots5
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8.60Create Line Plots II5
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8.61Create Frequency Charts5
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8.62Create Line Graphs5
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8.63Choose the Best Graph Type5
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8.159Calculate Mode10
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8.160Calculate Mean, Median, Mode and Range10
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8.161Calculate Range10
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8.162Calculate Median10
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8.163Calculate Mean10
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8.164Changes in Mean5
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8.165Changes in Median5
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8.166Changes in Mean, Median, Mode, and Range5
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8.167Changes in Mode5
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8.168Changes in Range5
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8.ID.1.2
Probability
• Learners are able to:
- show that the sum of all probabilities = 1
- recognise that some outcomes cannot occur simultaneously, e.g. a coin cannot show heads and tails at the same time
- know that events that have two outcomes are not necessarily equally likely
- complete a sample space diagram and a two way table
- estimate the number of successes of an event, e.g. rolling a fair dice 300 times, how many 3s would be expected? -
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8.51Making Predictions5
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8.52Prediction Problems5
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8.53Counting Principle15
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8.169Probability of Opposite and Overlapping Events5
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8.170Compound Events: Find the Number of Outcomes5
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8.ID.1.1
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Developing numerical reasoning
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8.REI.1.1
Identify processes and connections
• Learners are able to:
- transfer mathematical skills across the curriculum in a variety of contexts and everyday situations
- select, trial and evaluate a variety of possible approaches and break complex problems into a series of tasks
- prioritise and organise the relevant steps needed to complete the task or reach a solution
- choose an appropriate mental or written strategy and know when it is appropriate to use a calculator
- use a scientific calculator to carry out calculations effectively and efficiently using the available range of function keys
- identify, measure or obtain required information to complete the task
- identify what further information might be required and select what information is most appropriate
- select appropriate mathematics and techniques to use
- estimate and visualise size when measuring and use the correct units
- develop and evaluate mathematical strategies and ideas creatively
- consider connections between mathematical skills and contextualise these within extended tasks -
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8.1Add and Subtract Decimals15
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8.2Add and Subtract Decimals Up to 1020
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8.3Add and Subtract Decimal Up to 10015
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8.4Multiply Decimals and Whole Numbers10
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8.5Divide Decimals by Whole Numbers15
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8.6Mixed Decimal Equations20
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8.7Maps with Decimal Distances5
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8.8Add and Subtract Mixed Numbers15
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8.9Multiply Fractions by Whole Numbers20
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8.10Multiply Fractions by Whole Numbers15
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8.11Divide Fractions and Mixed Numbers Up to 1/16, 1/3210
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8.12Divide Fractions and Mixed Numbers Up to 1/325
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8.13Divide Fractions and Mixed Numbers15
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8.14Divide Fractions and Mixed Numbers Up to 1/1610
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8.15Mixed Fraction Equations Up to 1015
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8.16Mixed Equations with Fractions, Mixed Numbers15
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8.17Equivalent Ratios5
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8.18Scale Drawings and Scale Factors15
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8.19Percents of Numbers5
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8.20Percents with Multi-Step Problems15
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8.21Percent Equations15
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8.22Mixed Equations with Money Amounts10
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8.23Sale Prices: Find the Original Price15
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8.24Estimate Tips15
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8.25Simple Interest15
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8.26Compound Interest15
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8.27Estimate Mixed Equations20
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8.28Multi-Step15
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8.29Guess and Check10
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8.30Algebra: Linear Function with Intercepts10
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8.31Linear Function5
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8.32Two-Variable Equations5
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8.33Interpret Double Bar Graphs5
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8.34Interpret Line Graphs5
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8.35Interpret Bar Graphs5
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8.36Interpret Double Line Graphs5
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8.37Circles5
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8.38Rate of Change10
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8.39Interpret Line Plots5
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8.40Interpret Line Plots with Numbers Up to 405
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8.41Interpret Line Plots with Up to 5 Data Points5
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8.42Interpret Stem and Leaf Plots10
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8.43Convert Graphs to Input/Output Tables5
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8.44Interpret Box-And-Whisker Plots5
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8.45Scatter Plots5
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8.46Interpret Charts to Find Mode5
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8.47Interpret Charts to Find Mean, Median, Mode, and Range5
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8.48Interpret Charts to Find Median5
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8.49Interpret Charts to Find Range5
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8.50Interpret Charts to Find Mean5
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8.51Making Predictions5
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8.52Prediction Problems5
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8.53Counting Principle15
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8.54Evaluate Multi-Variable Expressions15
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8.55Simplify Variable Expressions Using Properties10
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8.56Simplify Variable Expressions10
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8.REI.1.2
Represent and communicate
• Learners are able to:
- explain results and procedures precisely using appropriate mathematical language
- refine methods of recording calculations
- use appropriate notation, symbols and units of measurement, including compound measures
- select and construct appropriate charts, diagrams and graphs with suitable scales
- interpret graphs that describe real-life situations, including those used in the media, recognising that some graphs may be misleading
- evaluate different forms of recording and presenting information, taking account of the context and audience
- generalise in words, and use algebra, to describe patterns that arise in numerical, spatial or practical situations -
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8.34Interpret Line Graphs5
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8.38Rate of Change10
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8.39Interpret Line Plots5
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8.40Interpret Line Plots with Numbers Up to 405
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8.41Interpret Line Plots with Up to 5 Data Points5
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8.42Interpret Stem and Leaf Plots10
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8.43Convert Graphs to Input/Output Tables5
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8.44Interpret Box-And-Whisker Plots5
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8.45Scatter Plots5
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8.46Interpret Charts to Find Mode5
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8.47Interpret Charts to Find Mean, Median, Mode, and Range5
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8.48Interpret Charts to Find Median5
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8.49Interpret Charts to Find Range5
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8.50Interpret Charts to Find Mean5
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8.54Evaluate Multi-Variable Expressions15
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8.57Model and Solve Equations Using Algebra Tiles5
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8.59Create Line Plots5
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8.60Create Line Plots II5
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8.61Create Frequency Charts5
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8.62Create Line Graphs5
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8.63Choose the Best Graph Type5
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8.REI.1.3
Review
• Learners are able to:
- select and apply appropriate checking strategies
- interpret answers within the context of the problem and consider whether answers, including calculator, analogue and digital displays, are sensible
- verify and justify results or solutions, including discussion on risk and chance where relevant
- interpret mathematical information; draw inferences from graphs, diagrams and data, including discussion on limitations of data
- draw conclusions from data and recognise that some conclusions may be misleading or uncertain
- justify numerical and algebraic results, making appropriate connections
- explain and justify strategies, methods, reasoning and conclusions in a variety of different ways, including orally, graphically, in writing (both in mathematical notation and without), and using appropriate digital literacy equipment
- appreciate the difference between mathematical explanation and experimental evidence; recognise inconsistencies and bias -
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8.33Interpret Double Bar Graphs5
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8.34Interpret Line Graphs5
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8.35Interpret Bar Graphs5
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8.36Interpret Double Line Graphs5
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8.38Rate of Change10
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8.39Interpret Line Plots5
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8.40Interpret Line Plots with Numbers Up to 405
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8.41Interpret Line Plots with Up to 5 Data Points5
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8.42Interpret Stem and Leaf Plots10
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8.43Convert Graphs to Input/Output Tables5
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8.44Interpret Box-And-Whisker Plots5
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8.45Scatter Plots5
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8.46Interpret Charts to Find Mode5
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8.47Interpret Charts to Find Mean, Median, Mode, and Range5
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8.48Interpret Charts to Find Median5
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8.49Interpret Charts to Find Range5
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8.50Interpret Charts to Find Mean5
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8.64Round Decimals15
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8.65Estimate Sums and Differences of Decimals Up to 10015
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8.66Estimate Sums, Differences and Products of Decimals15
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8.67Estimate Products of Decimal Numbers15
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8.68Estimate Sums and Differences of Mixed Numbers15
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8.69Estimate Products of Fractions and Mixed Numbers15
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8.70Estimate Positive and Negative Square Roots10
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8.71Estimate Percents of Numbers15
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8.72Evaluate Variable Expressions with Whole Numbers5
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8.73Identify Biased Samples5
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8.74Identify Representative Samples5
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8.75Identify Random Samples5
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8.76Identify Representative, Random, and Biased Samples5
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8.77Solve Equations Using Properties5
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8.REI.1.1
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Using geometry skills
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8.G.1.1
Shape
• Learners are able to:
- classify quadrilaterals
- explore the tessellation of two shapes
- recognise shapes that will or will not tessellate -
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8.136Classify Quadrilateral Shapes5
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8.G.1.2
Construction
• Learners are able to:
- recognise and draw accurate nets of prisms
- represent 3D shapes on isometric paper and draw plans and elevations of 3D shapes made out of cubes
- construct triangles given three lengths, using a ruler and compasses
- identify sets of lengths that cannot form a triangle -
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8.137Nets of 3-Dimensional Figures5
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8.G.1.3
Movement
• Learners are able to:
- explore symmetrical properties of 3D shapes; identify planes of symmetry
- enlarge shapes on square paper where the scale factor is a positive whole number -
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8.138Dilations Graph the Image5
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8.139Dilations: Find the Coordinates5
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8.G.1.1
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Using measuring skills
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8.MD.1.1
Length, weight/mass, capacity
• Learners are able to:
- find circumferences of circles
- use the common units of measure, convert between related units of the metric system and carry out calculations
- use rough metric equivalents of imperial units in daily use
- recognise measurements that are discrete and those that are continuous
- interpret conversion graphs -
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8.127Circles: Calculate Area, Radius, Circumference5
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8.128Compare Metric Units by Multiplying5
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8.129Compare and Convert Metric Units5
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8.130Convert Mixed Metric Units5
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8.MD.1.2
Time
• Learners are able to:
- interpret fractions of a second appropriately
- interpret time expressed as decimals and fractions and enter them appropriately on a calculator
- use timetables and time zones to calculate travel time -
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8.MD.1.3
Temperature
• Learners are able to:
- convert temperatures between appropriate temperature scales -
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8.MD.1.4
Area and volume Angle and position
• Learners are able to:
- calculate areas of compound shapes (e.g. consisting of rectangles and triangles) and volumes of simple solids (e.g. cubes and cuboids)
- find areas of circles
- devise and use formulae to calculate the area of trapezia and kites
- calculate volumes of prisms constructed from cuboids, e.g. within an L-shaped cross-section
- explore angles on parallel lines
- understand exterior angles of triangles
- know and use the angle properties of quadrilaterals
- find horizontal and vertical distances using coordinates
- use bearings to describe the location of one object in relation to another
- use compass bearings and grid references to specify location -
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8.127Circles: Calculate Area, Radius, Circumference5
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8.131Area of Complex Figures10
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8.132Volume of Cubes and Rectangular Prisms5
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8.133Transversal of Parallel Lines5
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8.134Find Missing Angles in Triangles and Quadrilaterals5
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8.135Distance Between Two Points15
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8.MD.1.1
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Using algebra skills
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8.OA.1.1
Number sequences
• Learners are able to:
- use algebra to express the nth term rule of a linear sequence
- use the nth term rule to find particular terms
- use the nth term rule to generate a sequence -
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8.140Complete a Function Table10
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8.OA.1.2
Expressions and formulae
• Learners are able to:
- know that a x a = a²
- know that 2a x a = 2a²
- substitute positive and negative whole numbers into one and two step expressions
- simplify expressions involving the addition and subtraction of two or more variables, including those where one or more of the simplified variables is negative
- expand a single bracket
- rearrange formulae involving two variables -
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8.141Add and Subtract Like Terms10
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8.142Distributive Property5
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8.54Evaluate Multi-Variable Expressions15
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8.56Simplify Variable Expressions10
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8.72Evaluate Variable Expressions with Whole Numbers5
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8.OA.1.3
Functions and graphs
• Learners are able to:
- express output generated from function machines, taking into account the order of operations
- generate and plot points for linear functions -
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8.143Function Tables15
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8.144Write Linear Functions10
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8.145Identify Proportional Relationships5
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8.146Graph a Proportional Relationship5
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8.147Graph Linear Functions15
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8.148Graph a Line from a Function Table10
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8.149Graph a Line from an Equation10
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8.31Linear Function5
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8.32Two-Variable Equations5
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8.OA.1.4
Equations and inequalities
• Learners are able to:
- solve equations including those where the solution is a negative, a fraction or a decimal and those that include brackets ()
- give a set of solutions from an inequality with two boundaries and show them on a number line
- express a set of numbers as an inequality
- complete and interpret simple information and distance - time graphs, showing an understanding of gradients within the context of the question -
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8.150Solve One-Step Linear Equations5
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8.151Solve Two-Step Linear Equations5
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8.152Solve Equations Involving Like Terms10
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8.153Solutions to Variable Inequalities10
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8.154Variable Inequalities10
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8.155Solve One-Step Linear Inequalities5
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8.156Solve One-Step Linear Equations5
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8.157Solve Two-Step Linear Equations5
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8.158Solve Two-Step Linear Inequalities15
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8.30Algebra: Linear Function with Intercepts10
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8.54Evaluate Multi-Variable Expressions15
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8.57Model and Solve Equations Using Algebra Tiles5
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8.72Evaluate Variable Expressions with Whole Numbers5
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8.77Solve Equations Using Properties5
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8.OA.1.1