Number sense fluency

Front

150 - 25

Back

125

Front

560

Back

600

Front

3 X 40

Back

120

Front

2 X 80

Back

160

Front

660

Back

700

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Front

What is multiplication?

Back

Multiplication is adding a number to itself a certain number of times.

Front

What is the difference between 500 and 300?

Back

200

Front

What is the product of 4 and 5?

Back

20

Front

What is the sum of 30 and 20?

Back

50