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 calculations easier because you can just add a zero to the number.

Front

What is 50 x 8?

Back

400

Front

What is 90 x 2?

Back

180

Front

What is 7 x 30?

Back

210

Front

What is 60 x 5?

Back

300

Front

What is 80 x 3?

Back

240

Front

How do you multiply a number by 10?

Back

To multiply a number by 10, you simply add a zero to the end of that number. For example, 6 x 10 = 60.

Front

What is the product of 10 and 5?

Back

50

Front

What is the product of 20 and 4?

Back

80