Addition and Subtraction Fluency Flashcard

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 taking one number away from another.

Front

How much is 20 + 20 + 20?

Back

60

Front

What is the result of 73 - 12?

Back

61

Front

Which number is missing in the equation: 12 + _ = 20?

Back

8

Front

How much is 100 + 10?

Back

110

Front

What is mental math?

Back

Mental math is doing calculations in your head without using paper or a calculator.

Front

What is the sum of 15 and 4?

Back

19

Front

What does the plus sign (+) mean?

Back

The plus sign means to add numbers together.

Front

What does the minus sign (-) mean?

Back

The minus sign means to subtract one number from another.