Multiplication 10, 100, 1000

Front

What is 10 times a number?

Back

Multiplying a number by 10 shifts its digits one place to the left, adding a zero at the end. For example, 5 x 10 = 50.

Front

What is 100 times a number?

Back

Multiplying a number by 100 shifts its digits two places to the left, adding two zeros at the end. For example, 3 x 100 = 300.

Front

What is 1000 times a number?

Back

Multiplying a number by 1000 shifts its digits three places to the left, adding three zeros at the end. For example, 2 x 1000 = 2000.

Front

12 x 10 = ?

Back

120

Front

What is 2 groups of 500?

Back

1,000

Front

7 x 1000 = ?

Back

7,000

Front

6 hundreds x 7 tens = ?

Back

42,000

Front

50 x 10 = ?

Back

500

Front

What does 'groups of' mean in multiplication?

Back

'Groups of' refers to repeated addition. For example, 3 groups of 4 means 4 + 4 + 4 = 12.

Front

How do you multiply by 10, 100, or 1000?

Back

To multiply by 10, add one zero; by 100, add two zeros; by 1000, add three zeros to the number.