Decimal Review

What happens to the decimal in a decimal number when you multiply it by 10³

• It moves three places to the left.
• It moves three places to the right.
• You place 3 zeros to the right of the number.
• Nothing.

Round 23.521 to the nearest whole number.

• 24
• 23
• 20
• 23.520

Which symbol makes this sentence true?
0.4 ___ 0.045

• >
• <
• =

5 + 0.87 =

• 0.92
• 5.87
• 1.37
• 4.13

6 - 0.05

• 5.95
• 0.01
• 1
• 6.05

1.2 x 0.3

• 36
• 3.6
• 1.6
• 0.36

5.12 ÷ 0.2

• 25.6
• 256
• 2.56
• 0.256

How do you read 23.012

• twenty-three and twelve hundredths
• twenty-three and twelve thousandths
• twenty three and twelve thousands
• twenty-three and twelve tenths