Decimals (Multiply and Divide)

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) separating the whole number from the fractional part.

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 moving the decimal when multiplying?

Back

Count the total number of decimal places in both factors and move the decimal point in the product to the left by that total number of places.

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, and move the decimal point in the dividend the same number of places. Then divide as usual.

Front

What is the rule for moving the decimal when dividing?

Back

When dividing, if you move the decimal point in the divisor, you must also move the decimal point in the dividend the same number of places.

Front

What is 17.98 × 143.5?

Back

2,580.93

Front

What is 60.12 ÷ 12?

Back

5.01

Front

What is 90.15 ÷ 15?

Back

6.01

Front

What is 132.11 ÷ 11?

Back

12.01

Front

If Elisha and Johana spent $94.16 together, how much did each pay if they split the bill?

Back

$47.08