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Plus
Minus
Answer word
questions word
skip counting
100

15 + 5

20

100

18 - 7

11

100

9 + 5 

fourteen

100

five plus six

11

100

10 + 10 + 10 

30

200

23 + 11

34

200

27-11

16

200

20 - 4 

sixteen

200
seventeen minus four

13

200

5 + 5 + 5 + 5 + 5 

25
300

25 + 25

50

300

50-5

45

300

50 + 1 

fifty-one

300

twenty minus twelve

8

300

2 + 2 + 2 + 2 + 2 + 2 + 2

14

400

78+22

100

400

99-33

66

400

65 - 2

sixty-three

400
ninty-five plus five

100

400
10 + 10 + 10 + 10 + 10

50

500

123 + 214

337

500

112 - 13

99

500

99 + 1 

one hundred

500

eighty-eight plus eleven

99

500

2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

24