2nd Grade Math Fluency

Front

80 + 20 = ?

Back

100

Front

75 - 25 = ?

Back

50

Front

2 + ? = 11

Back

9

Front

100 - 60 = ?

Back

40

Front

20 - ? = 10

Back

10

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 term for the number being added in addition?

Back

The term is called an 'addend.'