Multiplying Two-Digit Numbers by Multiples of 10

Front

What is multiplying a two-digit number by a multiple of 10?

Back

It is the process of multiplying a number that has two digits (like 20, 30, 40) by another number that is a multiple of 10 (like 10, 20, 30). This often results in a product that is easier to calculate.

Front

What is the product of 80 and 40?

Back

3200

Front

What is the product of 60 and 30?

Back

1800

Front

What is the product of 20 and 70?

Back

1400

Front

What is the product of 40 and 40?

Back

1600

Front

Find the missing factor: 90 x __ = 4500

Back

50

Front

How do you multiply a two-digit number by 10?

Back

You simply add a zero to the end of the two-digit number. For example, 20 x 10 = 200.

Front

What is the result of multiplying 30 by 20?

Back

600

Front

What is the result of multiplying 50 by 60?

Back

3000

Front

What is the result of multiplying 70 by 40?

Back

2800