Fluency Addition/ Subtraction within 20

Front

20 - 11 = ?

Back

9

Front

5 - 4 = ?

Back

1

Front

16 - 1 = ?

Back

15

Front

2 - 0 = ?

Back

2

Front

11 - 2 = ?

Back

9

Front

What is subtraction?

Back

Subtraction is taking away a number from another number.

Front

What is the result of subtracting 0 from any number?

Back

The result is the same number.

Front

What do we call the number we subtract from?

Back

The number we subtract from is called the minuend.

Front

What do we call the number we subtract?

Back

The number we subtract is called the subtrahend.

Front

What is the result of a subtraction called?

Back

The result of a subtraction is called the difference.