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K math
K.5 math
1st grade math
1.5 grade math
2nd grade math
100
1+15

16

100

2+5

7

100

3+?=8

5

100

82-6

76

100

512+482

994

200

10+10

20

200

2+7

9

200

?+2=9

7

200

67-3

64

200

176+502

678

300

15+10

25

300

2+9

11

300

?+4=4

0

300

35-3

32

300

352+257

609

400

20+20

40

400

2+11

13

400
7+?=8

1

400

19-1

18

400

232+462

694

500
25+25

50

500

2+13

15

500

5+?=9

4

500

96-9

87

500

630+249

879