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.

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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Math Games for Teachers

Year 2 - Using number skills

Standard 2.NS.1.3 - Practice solving subtraction sentences up to 100.

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 ‘counting on’ 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 ‘three twos’
- 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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