Multiplying by Multiples of 10

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does it mean to multiply by a multiple of 10?

Back

Multiplying by a multiple of 10 means you are multiplying a number by 10, 20, 30, etc. This makes it easier to calculate because you can just add a zero to the end of the number.

Front

Calculate: 4 x 10 = ?

Back

40

Front

Calculate: 6 x 20 = ?

Back

120

Front

Calculate: 5 x 30 = ?

Back

150

Front

What is the product of 7 and 10?

Back

70

Front

If you have 3 boxes with 10 apples each, how many apples do you have in total?

Back

30 apples (3 x 10 = 30).

Front

What is 8 x 10?

Back

80

Front

If a car travels 60 miles per hour for 2 hours, how far does it travel?

Back

120 miles (60 x 2 = 120).

Front

What is 9 x 10?

Back

90