MATH GRADE 2

Front

2 + 9 = 9 + 2

Back

True. This shows the Commutative Property of Addition, which states that changing the order of the addends does not change the sum.

Front

10 + 0 = ?

Back

10. Adding zero to any number does not change the value of that number.

Front

If 9 + 9 = 18, then 9 + 10 = ?

Back

19. This is an example of using known sums to find new sums.

Front

If 2 + 2 = 4, then 2 + 4 = ?

Back

6. This shows how to add numbers by building on known sums.

Front

5 + 9 = ?

Back

14. This is a basic addition problem.

Front

What is the Commutative Property of Addition?

Back

It states that changing the order of the numbers in an addition problem does not change the sum.

Front

What is the sum of 0 and any number?

Back

The sum is the same number. For example, 0 + 5 = 5.

Front

What is 7 + 3?

Back

10. This is a simple addition problem.

Front

What is 4 + 4?

Back

8. This is another basic addition problem.

Front

If 1 + 1 = 2, what is 1 + 2?

Back

3. This builds on the known sum.