addition
missing #s
counting by 10
greater than
less than
subtraction
100

1+1=

2

100

1_3

2

100

10, 20, _

30

100

2 _ 4

2 < 4

100

2-1=

1

200

3+1=

4

200

6_8

7

200

40. 50. _

60

200

6 _ 5

6 > 5

200

4-1=

3

300

2+2=

4

300

10_12

11

300

30, 40, _

50

300

9 _ 10

9 < 10

300

3-0=

3

400

5+1=

6

400

14_16

15

400

70, 80, _

90

400

5 _ 1

5 > 1

400

1-1=

0
500

5+5=

10

500

19_21

20

500

80, 90, _

100

500

1 _ 10

1 < 10

500

10-1=

9