Chapter 1 Review

Subtraction

100

7-6

1

200

8-1

7

300

6-2

4

400

10-5

5

500

9-0

9

Addition

100

6+4=_

_+_=

10

4+6=10

200

9+8=

_+_=

17

8+9=17

300

3+7=

_+_=_

10

7+3=10

400

Group to make 10. THEN solve..

5+5+1=_

5+5=10

10+1=11

500

Group to make 10. THEN solve..

7+2+3=_

7+3=10

10+2=12

Parentheses

100

7+2+3=

1. (7+2)+3=

9+3=12

2. 7+(2+3)=

7+5=12

200

4+2+8=

1. (4+2)+8=

6+8=14

2.4+(2+8)=

4+10=14

300

5+1+9=

1. (5+1)+9=

6+9=15

2. 5+(1+9)=

5+10=15

400

4+1+6+8=

4+6=10

10+1+8=19

500

5+2+8+3=

2+8=10

10+5+3=18

Variable (Missing Number)

100

4+n=7

_-_=_

4+_=7

4+3=7

7-4=3

4+3=7

200

9+n=16

_-_=_

9+_=16

9+7=16

16-9=7

9+7=16

300

3+n=11

_-_=_

3+_=11

3+8=11

11-3=8

3+8=11

400

3+1+4+9=

1+9=10

10+3+4=17

500

Work is accomplishing a ______

Write two sentences that you can use math to accomplish today.

1. Task

2. Answers will vary

Fact Families + EXTRA

100

5, 7, 12

5+7=12

7+5=12

12-5=7

12-7=5

200

6, 8, 14

6+8=14

8+6=14

14-8=6

14-6=8

300

7, 9, and 16

7+9=16

9+7=16

16-9=7

16-7=9

400

Jackson picked 6 cucumbers from his garden. he picked 5 cucumbers from his grandfathers garden. How many cucumbers did Jackson pick?

6+5=11

5+6=11

Jackson picked 11 cucumbers

500

Callie counter 15 cats living in her barn. She gave 9 of them away. How many cats still live in her barn?

15-9=6

6 cats still live in her barn.