Multiply 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

What is 10 x 5?

Back

50

Front

What is 20 x 3?

Back

60

Front

What is 30 x 2?

Back

60

Front

What is 40 x 5?

Back

200

Front

What is 50 x 4?

Back

200

Front

What is 60 x 3?

Back

180

Front

What is 70 x 1?

Back

70

Front

What is 80 x 2?

Back

160