GO Math Chapter 9 Review

Balance the Equation

100

31-26=49- __

44

200

90-2=94- __

6

300

43-__= 33+5

5

400

28+37=__+49

16

500

21+24=60-__

15

Subtraction with Regrouping

100

 64

-38

26

200

 96

-77

19

300

100

-80

20

400

 93

-23

70

500

 97

-46

51

Word Problems

100

There are 9 birds in the tree. 4 fly out. How many are left?

5 birds 

200

Libby has 23 beads. Noe gives her 4 more. Then Sam borrows 9. How many does she have now?

36 beads

300

Carey eats 12 slices of pizza. Denise eats 17. How many do they eat?

29 slices of pizza 

400

Sara sees 19 dogs at the park. 7 dogs leave. Then 2 more join. How many are there?

14 dogs

500

Kate makes some wood frames.  She gives away 15 frames.  Now she has 17 frames.  How many did she make? 

46 pennies 

Two Step Word Problems

100

Jonathan has 35 trading cards. He buys 22 more cards. Then he gives 14 to Caitlyn. How many cards does Jonathan have?

43

200

Erika has 93 cats. Dave has 46 white cats and 29 brown cats. How many more cats does Erika have than Dave?

21

300

Gunnar has 60 building blocks. His sister gives him 17 more blocks.  He uses 38 blocks to make a tower. How many blocks are not used in the tower? 

39 blocks 

400

Jon has 12 pennies. Selena has 17 pennies. How many more pennies do they need to have 75 pennies?

46 pennies 

500

Sincere finds 31 pinecones at the park. Together, Sophia and Sabirah find the same number of pinecones as Sincere. How many pinecones could each of them have?

30 and 1

20 and 11

10 and 21

Equal or Not Equal

100

17+28 ___ 32+13

equal

200

41-24 ___ 35-18

equal

300

35-16 ___  29-13

not equal 

400

18+36 ___ 27+ 27

equal 

500

27-12 __ 28-14

not equal