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Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level

The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

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Year 2 - Using number skills

Standard 2.NS.1.3 - Practice subtraction with a specific number from 0 to 10.

Included Skills:

Calculate using mental and written methods

• Learners are able to:

- mentally add 10 or 20 to a given number up to 100

- mentally subtract 10 or 20 from a given number up to 100

- find small differences within 20 by using Â‘counting onÂ’ strategies

- use mental recall of number facts to 10 and place value to add or subtract larger numbers, e.g. 24 + 4, 30 + 5, 34 + 10

- find a small difference between two numbers by counting on, e.g. 44 - 28 = ??

- solve one- and two-step problems that involve addition and subtraction, multiplication and simple division including missing number problems, e.g. 40 - ?? = 19

- use partitioning strategies to double and halve 2-digit numbers

- understand that multiplication is repeated addition, e.g. 2 + 2 + 2 is the same as Â‘three twosÂ’

- add/subtract 9 or 11 from given number by adding/subtracting 10 and adjusting

- understand and use mathematical symbols for addition, subtraction, multiplication, division and equals

- understand and use the different mathematical terms for addition, subtraction, multiplication, division and equals, e.g. find the total, share, goes into

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