Multiplication Patterns with Decimals - Gr 5, Lesson 4.1

Front

What is the value of 10^0?

Back

10^0 = 1

Front

How do you multiply a decimal by a power of ten?

Back

To multiply a decimal by a power of ten, move the decimal point to the right by the number of zeros in the power of ten.

Front

What is 10^1 x 5.18?

Back

10^1 x 5.18 = 51.8

Front

What is 10^2 x 5.18?

Back

10^2 x 5.18 = 518

Front

What is 10^3 x 5.18?

Back

10^3 x 5.18 = 5,180

Front

What is the result of multiplying 0.1 by $78?

Back

0.1 x $78 = $7.80

Front

What happens to a decimal when you multiply it by 10?

Back

When you multiply a decimal by 10, the decimal point moves one place to the right.

Front

What is the general rule for multiplying decimals by powers of ten?

Back

The general rule is to move the decimal point to the right for positive powers and to the left for negative powers.

Front

What is the value of 10^2?

Back

10^2 = 100

Front

If you multiply 5.18 by 10^0, what is the result?

Back

5.18 x 10^0 = 5.18