Addition Chapter Review

Vocabulary

100

A _________ is a set of numbers that follow a certain order.

Pattern

200

____________ is a way of doing math IN MY HEAD.

mental math

300

The ________________ Property of Addition states that you can CHANGE the order of the addends and still get the same answer.

Commutative

400

The __________ Property of Addition states when you add ZERO to any number, the answer is that number.

Identity

500

The ____________ Property of Addition uses parentheses to group numbers in a number sentence. 

Associative

Addition Properties

100

Solve. And identify which property of addition is being used.

8+0= ____

_________ Property of Addition

8

Identity Property 

200

5+7=___

7+5=___ 

________ Property of Addition

12

12

Commutative Property

300

2+(4+3)= _____

(2+4)+3= _____

_________ Property of Addition

9

9

Associative Property of Addition

400

Write a number sentence using the Identity Property of Addition.

Ms. Lingelbach will check to see if your answer is correct :)

500

Write an example using the Commutative Property of Addition.

Ms. Lingelbach will check your response :)

Find Each Sum

100

$345+$108= _______

$453

200

876+393=

1,269

300

7,127+893=_____

8,020

400

945+98=_____

1,043

500

5,687+2,411=______

8,098

Estimate/Rounding

100

What number is 10 less than 670?

660

200

Round 5,345 to the nearest HUNDRED.

5,300

300

Estimate. Round each addend to the indicated place value.

725+229; tens

_____+____=_____

725--->730

229--->230

730+230=960

400

Estimate. Round each addend to the indicated place value.

12+7; tens

12---> 10

7----> 10

10+10=20

500

Estimate. Round each addend to the indicated place value.

327+174; hundreds

327--->300

174--->200

300+200=500

Word Problems

100

Write a number sentence to solve.

A horse weighs 1,723 pounds. A smaller horse weighs 902 pounds. How much do both horses weigh together?

1,723+902=2,625 

Together the horses weigh 2,625 pounds. 

200

A clown makes 455 balloon animals per day. How many balloon animals does the clown make in 2 days?

455+455=910

The clown makes 910 balloon animals in 2 days.

300

The ice cream shop is trying to decide which flavor is most popular. This week they sold 78 strawberry scoops, 87 chocolate scoops, and 47 vanilla scoops. 

Which flavor is most popular? Explain to Ms. Lingelbach how you know :)

Chocolate; because 87 is greater than 78 and 47. 

400

The movie theater sells the most popcorn on weekends.On Friday, they sold 72 bags, on Saturday they sold 85 bags, and on Sunday they sold 98 bags. ABOUT how many bags of popcorn did the movie theater sell this weekend?

(hint* when you see the word about...that means you must estimate/round!!)

72--->70

85---> 90

98--->100

70+90+100= 260 

The sold ABOUT 260 bags of popcorn

500

On Tuesday, 482 people visited the reptile exhibit at the zoo. The next day, there were 376 visitors. To the NEAREST HUNDRED, how many people visited the reptile exhibit?

482--->500

376--->400

500+400=900

About 900 people visited the zoo.