Lesson 3: Multiply Decimals by Whole Numbers

Front

What is the product of 12.15 and 6?

Back

72.90

Front

What is 0.91 multiplied by 8?

Back

7.28

Front

Calculate 1.38 times 32.

Back

44.16

Front

What do you get when you multiply 0.19 by 7?

Back

1.33

Front

If Vernon buys 12 pencil erasers at $0.85 each, how much does he spend before tax?

Back

$10.20

Front

Define 'decimal'.

Back

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

Front

What does it mean to multiply a decimal by a whole number?

Back

It means to take the decimal number and add it to itself a number of times equal to the whole number.

Front

How do you align decimals when multiplying?

Back

You align the numbers by their rightmost digits and ignore the decimal points during multiplication.

Front

What is the first step in multiplying decimals?

Back

Multiply the numbers as if they were whole numbers, ignoring the decimal points.

Front

What do you do after multiplying the numbers in decimal multiplication?

Back

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