Unit 4 Review

Adding 10's

100

10 + 10 = 

20

200

20 + 30 = 

50 

300

30 + 60 =

90

400

60 + 40 =

100

500

70 + 70 =

140

Greater than, less than, equal to

100

12 ___ 12

12 = 12 

200

60 ___ 59

60 > 59

300

47 ___ 71 

47 < 71

400

93 ___ 98 

93 < 98

500

167 ___ 172

167 < 172

Story Problems

100

There are 10 cookies in a bag, and 8 extra cookies. How many cookies are there? 

10 cookies + 8 cookies = 18 cookies total

200

Scott has a box of 10 markers, 3 extra markers at his desk, and 2 more in his backpack. How many total markers does Scott have? 

10 markers + 3 markers + 2 markers = 15 markers 

300

There are 9 fish in the river. 5 more fish come. How many fish are there now? 

9 fish + 5 fish = 14 fish 

400

There are 2 boxes of 10 cupcakes and 7 extra cupcakes. How many cupcakes are there total? 

27 cupcakes

500

There are 4 tanks of 10 baby gold fish at the pet store. 5 gold fish are bought. How many gold fish are there now? 

35 gold fish

Adding Double Digit and Single Digit

100

18 + 4 = 

22

200

13 + 6 = 

19

300

37 + 9 = 

46

400

79 + 1 =

80

500

82 + 13 = 

95

Fact Family's

100

10, 2, __

10, 2, 8

200

9, 6, ___

9, 6, 3

300

12, 6, ___

12, 6, 6

400

20, 14, ___

20, 14, 6

500

23, 2, ___

23, 2, 21