Multiplying and Dividing Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the rule for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor (the number you are dividing by) to the right until it is a whole number. Move the decimal point in the dividend (the number being divided) the same number of places to the right.

Front

Calculate 0.6 × 0.4

Back

0.24

Front

Calculate 1.5 × 2.3

Back

3.45

Front

What is the first step in dividing 19.5 by 0.31?

Back

Move the decimal point in 0.31 two places to the right to make it a whole number.

Front

Calculate 7.8 ÷ 0.03

Back

260

Front

Calculate 5.75 ÷ 0.25

Back

23

Front

What is the total cost if you buy 3 items at $4.50 each?

Back

$13.50

Front

If a shirt costs $12.99, how much do 4 shirts cost?

Back

$51.96