Ch. 8 Review Math Test

The sum of any number and 0 is that number is known as which property?

• Addition Property of Zero

• Associative Property of Addition

• Commutative Property of Addition

• Zero Property of One

• an estimate

• dividends

• inverse operations

• fact families

Round 578 to the nearest ten.

Round 743 to the nearest hundred.

Angelina rounded both of the numbers in a problem she was solving to the nearest 10 and wrote this:

120 + 350 =

Which number sentence did Angelina round?

• 136 + 344=

• 128 + 343=

• 121 + 342=

• 123 + 348=

Round to the nearest ten, then estimate the difference.

478 – 22 =

Round to the nearest hundred, then estimate the sum.

621 + 76 =

Estimate the sum.

(Hint: Look at the answers to know if you are rounding to the nearest hundred or nearest ten).

504 + 97 =

• 500

• 600

• 700

• 800

Estimate the difference.

Select the two estimates that can be used to find the difference.

354 - 210 =

• 140

• 200

• 280

• 300

• 340

What is the value of 8,900 − 3,309?