Multiply by Multiples of 10

Front

What is the result of multiplying any number by 10?

Back

The result is that the number is shifted one place to the left in the decimal system, effectively adding a zero to the end of the number.

Front

What is the result of multiplying any number by 100?

Back

The result is that the number is shifted two places to the left in the decimal system, effectively adding two zeros to the end of the number.

Front

What is the result of multiplying any number by 1000?

Back

The result is that the number is shifted three places to the left in the decimal system, effectively adding three zeros to the end of the number.

Front

How do you multiply a number by a multiple of 10?

Back

You can multiply the number by the multiple of 10 directly or break it down into simpler multiplication (e.g., 4 x 20 can be seen as 4 x 2 x 10).

Front

What is the product of 4 and 20?

Back

The product is 80.

Front

What is the product of 3 and 50?

Back

The product is 150.

Front

What is the product of 7 and 30?

Back

The product is 210.

Front

What is the product of 3 and 30?

Back

The product is 90.

Front

What is the product of 40 and 4?

Back

The product is 160.

Front

What is the relationship between multiplication and addition when multiplying by multiples of 10?

Back

Multiplying by multiples of 10 can be thought of as repeated addition of the number being multiplied.