Addition
Subtraction
Rounding
Word Problems
Properties of Addition
100

679+180

859

100

538-523

15

100

Round 57 to the nearest 10

60

100
Sunrise Elementary School's cafeteria can seat 175 students. 69 third graders and 81 fourth graders eat lunch at the same time. How many more seats are available for students during their lunch time?

25 Students

100

Which property of addition is the following problem?

6+0=6

Identity Property

200

764+388

1152

200

348-199

149

200

round 641 to the nearest 10

640

200

Leah has 33 fish. Madison has 22 fish. Felicity has 10 more fish than Leah. How many fish do Leah, Madison, and Felicity have in all?

98 Fish

200

Which property of addition is the following problem?

1+(3+4)= (1+3)+4

Associative Property
300

254+753

1,007

300

520-355

165

300

round 789 to the nearest 100

800

300

Landri took a weekend trip to the beach with her family. While there, she collected seashells. She collected 43 shells on Friday, 29 on Saturday and her mom gave her 15. Landri left 11 shells in the sand castle she built. How many shells did Landri leave the beach with?

76 shells

300

Which property of addition is the following problem?

4+7= 7+4

Commutative Property

400

33+79+152

264

400

995-446

549

400

Round 836 to the nearest 100

800

400

There are 15 dogs at the dog pound. 10 are small breeds and the other are large breeds. How many more small breeds are thee than large breeds?

5 more

400

Give an example of the Associative Property.

Answers may vary

500

64+78+90

232

500

597-520-10

67

500

Round 425 to the nearest 100 AND the nearest 10

400 

430

500

Harrison had 76 emoji stickers. He placed 15 of them on his notebook. He gave 25 stickers to his friend. How many stickers does Harrison have now?

36 stickers.

500

Give an example of the Commutative Property.

Answers may vary.

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