Addition
Subtraction
Unknown Partner
Adding with Tens
Word Problems
100

5+6=

11

100

4-2=

2

100

6+[]=12

6

100

10+10=

20

100

There are 7 dogs in the park. 3 more dogs come to the park. How many dogs are there now?

10 dogs

200

7+7=

14

200

8-3=

5

200

3+[]=12

9

200

30+10=

40

200

10 boys are swimming in the pool. 6 boys leave and go home. How many are there now?

4 boys

300

2+10=

12

300

9-2=

7

300

2+[]=7

5

300

20+50=

70

300

I have 5 pink jelly beans, 3 green jelly beans, and 2 blue jelly beans. How many do I have in all?

10 Jelly Beans

400

3+12=

15

400

12-8=

4

400

11+[]=14

3

400

40+30=

70

400

Bill has 7 blue trucks. Joe has 6 yellow trucks. How many trucks do they have altogether?

13 trucks

500

15+4=

19

500

14-5=

9

500

13+[]=20

7

500

60+40=

100

500

I have 16 gumballs in the bag. I got hungry and ate 9 of them. How many gumballs do I have left?

7 Gumballs