Addition
Addition
Subtraction
Sequence
Addition/Subtraction
100

8 + 5 =

13

100

5 tens + 5 tens

100
100

15-14

11

100

2, 4, 6, 8, 10, ____

12

100

16+6=

22

200

12+ 6 =

18

200

2 hundred - 5 tens

150

200

5 tens- 4 tens

10

200

5, 10, 15, _____

20

200

8 + 9 =

17

300

5+5=

10

300

When counting by tens, what comes after 80?

90

300

150 - 60

90

300

3, 6, 9, 12, ____

15

300

12 + 8 =

20

400

6+6=

12

400
29+35

64

400

27 - 9

18

400

4, 8, 12, ____

16

400

13 - 5 =

8

500

7+8=

15

500

5 hundreds + 5 hundreds 

1000
500

70-30 =

40

500

10, 20, 30, 40, 50, ____

60

500

13 + 8 =

21

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