Topic 8 Review

Properties of Addition

100

Write each missing number and name the property

18+__=18

18+0=18

Identity (zero) property

200

Write each missing number and name the property

14+(16+15)=(___+16)+15

14+(16+15)=(14+16)+15

Associative (grouping) Property

300

Write each missing number and name the property

13+17=____+13

13+17=17+13

Commutative (order) Property

400

Write each missing number and name the property

62+21+0=62+______

62+21+0=62+21

Identity (zero) Property

500

Write each missing number and name the property

31+(26+38)=(31+___)+38

31+(26+38)=(31+26)+38

Associative (grouping) Property

Rounding

100

Round this number to the nearest ten

54

50

200

Round this number to the nearest ten

85

90

300

Round this number to the nearest ten

19

20

400

Round this number to the nearest hundred

168

200

500

Round this number to the nearest hundred

522

500

Addition

100

Solve the following addition problem

302+56=?

302+56=358

200

Solve the following addition problem

463+418=?

463+418=881

300

Solve the following addition problem

222+725=?

222+725=947

400

Solve the following addition problem

689+115=?

689+115=804

500

Solve the following addition problem

578+256=

578+256=834

Subtraction

100

Solve the following subtraction problem

523-163=?

523-163=360

200

Solve the following subtraction problem

847-372=?

847-372=475

300

Solve the following subtraction problem

768-259=?

768-259=509

400

Solve the following subtraction problem

282-125=?

282-125=157

500

Solve the following subtraction problem

867-246=?

867-246=621

Word Problems

100

Elena has $265. She buys a jacket that costs $107 and a sweater that costs $69.How much money does Elena have left?

265-107=158

158-69=$89

Elena has $89 left.

200

A theater sells 128 tickets on Friday.The theater has sold a total number of 679 tickets. How many tickets had the theater sold before Friday? 

679-128=551

The theater sold 551 tickets before Friday.

300

Toni read 131 pages on Monday and some pages on Tuesday.She read 289 pages in all.How many pages did Tony read on Tuesday?

289-131=158

Toni read 158 pages on Tuesday.

400

Mari wants to buy a tablet computer for $450, and a storage case for $72. She wants to install software that costs $298. How much will the total come out to if she purchases all three items?

450+72=522

522+298=$820

She will spend $820.

500

Hazel wants to buy 72 bunny carrots for her friends. She also wants to buy 72 baskets to place them in. How many bunny carrots and baskets will she have altogether?

What is 72+72?

72+72=144