Multiply and Divide Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part 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 product of 2.39 and 43.7?

Back

104.443

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to make it a whole number, then move the decimal point in the dividend the same number of places. Divide as usual.

Front

What is the product of 0.4 and 0.8?

Back

0.32

Front

How many decimal places are in the product of 0.15 and 0.6?

Back

3 decimal places.

Front

If Leah cuts a rope that is 7.2 inches long into four equal pieces, how long is each piece?

Back

1.8 inches.

Front

What is the approximate number of goldfish in each tank if Erin has 598 goldfish to split between 22 tanks?

Back

30 goldfish in each tank.

Front

What is the rule for placing the decimal point in multiplication?

Back

Count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting it to a nearby value that is simpler and easier to work with, often to a certain number of decimal places.