Chapter 4 Review!

Counting Back

100

Count back. Write the number that is 2 less

8-2=?

8-2=6

200

Count back. What is 1 less than 5?

5-1=

5-1=4

300

Count back. What is 3 less than 9?

9-3=

9-3=6

400

Count back. What is 3 less than 12?

12-3=

12-3=9

500

Count back. What is 3 less than 15?

15-3=

15-3=12

Add to Subtract

100

6+____=8

So...8-6=

6+2=8

so 8-6=2

200

What subtraction sentence can I make from

5+4=9

9-4=5

OR

9-5=4

300

What subtraction sentence can I make from 

2+3=5?

5-2=3 

OR

5-3=2

400

What subtraction problem can I make from 

7+5=12

12-7=5

OR

12-5=7

500

What subtraction problem can I make from

6+5=11

11-6=5

OR

11-5=6

Subtract

100

What subtraction sentence does this board problem show?

15-5-3

200

12-6

12-6=6

300

5-4

5-4=1

400

13-3

13-3=10

500

14-5

14-5=9

Break Apart

100

15-5

15-5=

200

What is 

16-6-3?

16-6+10

10-3=7

300

12-2=

12-2=10

400

What is 

14-4

14-4=10

500

What is 

15-5-1?

15-5=10

10-1=9

Word Problems

100

Luke has 8 books. He gives soe away.HE has 6 left. How many books does he give away?

8-6=2

He gives away 2 books

200

Mark has 7 crayons. Ge gives some away. He has 4 left. How many crayons did he give away?

7-4=3

He gave away 3 crayons

300

Sam has 9 bears. She gives some away. Now she has 5 bears. How many did she give away?

9-5=4

she gave away 4 bears. 

400

Tom has 6 bannanas. He gives some away. He has 1 banana now. How many did he give away?

6-1=5

He gave 5 bananas away.

500

Sally has 10 snowmen. She gives some away. She has 8 snowmen now. How many did she give away?

10-8=2

She gave away two snowmen.