Second grade math

Front

7 + 5 = ?

Back

12

Front

11 + 7 = ?

Back

18

Front

12 + 5 = ?

Back

17

Front

12 - 3 = ?

Back

9

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is a sum?

Back

The sum is the result of adding two or more numbers together.

Front

What is a difference?

Back

The difference is the result of subtracting one number from another.

Front

What is the symbol for addition?

Back

+ (plus)

Front

What is the symbol for subtraction?

Back

- (minus)