Multiply and Divide Decimals

Front

What is the product of 11.3 and 2.5?

Back

28.25

Front

How do you calculate the cost of a trip if the rate is $2.25 per mile and the distance is 8.7 miles?

Back

$19.58

Front

What is the average speed if Mr. Williams ran 13.2 miles in 1.6 hours?

Back

8.25 mph

Front

When dividing 19.5 by 0.31, how do you adjust the decimal?

Back

Move the decimal right two places.

Front

If the trail around Capaha Park is 8.54 miles long and Jackie rode around it 4 times, how many miles did she travel?

Back

34.16 miles

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

How do you multiply decimals?

Back

Multiply as if they are whole numbers, then count the total number of decimal places in both factors and place the decimal in the product.

Front

What is the rule for dividing decimals?

Back

Move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places.

Front

What is the value of 0.5 × 0.2?

Back

0.1

Front

How do you convert a decimal to a fraction?

Back

Write the decimal over its place value (e.g., 0.75 = 75/100) and simplify.