Test Review

1

100

pg 70 # 1 What do you know?

What do you want to know?

$17 on Saturday

$45 total

How much she earned on Friday?

200

pg 75 #2

8

300

Pg 73 #5

55

400

pg 71 #2

18

500

pg 74 #5

x=6

6+9=15

2

100

pg 74 #1

4

200

Pg 70 Estimate the answer

17 is about 20 

45-20=25 the answer should be about 25

300

Pg 74 #6

y=10

25+10=35

400

pg 73 #2

26

500

Pg 74 #4

n=8

12+8=20

3

100

pg 72 #1

43+24+n=83

67+n=83

n=83-67

n=16

200

Pg 75 #7

8

300

pg 75 #8

42

400

Pg 74 #10

27

500

Pg 73 #4

32

4

100

Pg 70 What addition equation?

n+17=45

200

pg 73 #3

12

300

pg 70 Solve and check

n+17=45

45-17=n

n=28

does 17+28=45 Yes

400

Pg 74 #3

7

500

pg 75 # 9

7