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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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8.7810
-
8.7920
-
8.8020
-
8.8120
-
8.825
-
8.835
-
8.8515
-
8.8615
-
8.8710
-
8.8810
-
8.8910
-
-
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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8.815
-
8.920
-
8.1015
-
8.1110
-
8.125
-
8.1315
-
8.1410
-
8.1515
-
8.1615
-
8.175
-
8.1815
-
8.195
-
8.2015
-
8.2115
-
8.8615
-
8.9010
-
8.9115
-
8.9220
-
8.9315
-
8.9415
-
8.9520
-
8.965
-
8.9715
-
8.9815
-
8.9915
-
8.10015
-
8.10115
-
8.1025
-
8.10315
-
8.10415
-
8.10515
-
8.10615
-
8.10720
-
8.10815
-
8.10915
-
8.11015
-
8.11115
-
8.11215
-
8.11315
-
-
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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8.115
-
8.220
-
8.315
-
8.410
-
8.515
-
8.8515
-
8.11415
-
8.11515
-
8.11615
-
8.1175
-
8.11815
-
8.1195
-
8.12020
-
8.12120
-
8.12215
-
8.12315
-
8.12415
-
8.12520
-
8.12615
-
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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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8.2515
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8.2615
-
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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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8.345
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8.3810
-
8.395
-
8.405
-
8.415
-
8.4210
-
8.435
-
8.445
-
8.455
-
8.465
-
8.475
-
8.485
-
8.495
-
8.505
-
8.595
-
8.605
-
8.615
-
8.625
-
8.635
-
8.15910
-
8.16010
-
8.16110
-
8.16210
-
8.16310
-
8.1645
-
8.1655
-
8.1665
-
8.1675
-
8.1685
-
-
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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8.515
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8.525
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8.5315
-
8.1695
-
8.1705
-
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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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8.115
-
8.220
-
8.315
-
8.410
-
8.515
-
8.620
-
8.75
-
8.815
-
8.920
-
8.1015
-
8.1110
-
8.125
-
8.1315
-
8.1410
-
8.1515
-
8.1615
-
8.175
-
8.1815
-
8.195
-
8.2015
-
8.2115
-
8.2210
-
8.2315
-
8.2415
-
8.2515
-
8.2615
-
8.2720
-
8.2815
-
8.2910
-
8.3010
-
8.315
-
8.325
-
8.335
-
8.345
-
8.355
-
8.365
-
8.375
-
8.3810
-
8.395
-
8.405
-
8.415
-
8.4210
-
8.435
-
8.445
-
8.455
-
8.465
-
8.475
-
8.485
-
8.495
-
8.505
-
8.515
-
8.525
-
8.5315
-
8.5415
-
8.5510
-
8.5610
-
-
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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8.345
-
8.3810
-
8.395
-
8.405
-
8.415
-
8.4210
-
8.435
-
8.445
-
8.455
-
8.465
-
8.475
-
8.485
-
8.495
-
8.505
-
8.5415
-
8.575
-
8.595
-
8.605
-
8.615
-
8.625
-
8.635
-
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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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8.335
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8.345
-
8.355
-
8.365
-
8.3810
-
8.395
-
8.405
-
8.415
-
8.4210
-
8.435
-
8.445
-
8.455
-
8.465
-
8.475
-
8.485
-
8.495
-
8.505
-
8.6415
-
8.6515
-
8.6615
-
8.6715
-
8.6815
-
8.6915
-
8.7010
-
8.7115
-
8.725
-
8.735
-
8.745
-
8.755
-
8.765
-
8.775
-
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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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8.1365
-
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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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8.1375
-
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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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8.1385
-
8.1395
-
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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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8.1275
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8.1285
-
8.1295
-
8.1305
-
-
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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8.1275
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8.13110
-
8.1325
-
8.1335
-
8.1345
-
8.13515
-
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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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8.14010
-
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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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8.14110
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8.1425
-
8.5415
-
8.5610
-
8.725
-
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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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8.14315
-
8.14410
-
8.1455
-
8.1465
-
8.14715
-
8.14810
-
8.14910
-
8.315
-
8.325
-
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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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8.1505
-
8.1515
-
8.15210
-
8.15310
-
8.15410
-
8.1555
-
8.1565
-
8.1575
-
8.15815
-
8.3010
-
8.5415
-
8.575
-
8.725
-
8.775
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8.OA.1.1