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subtraction
addition
number sequence
number grid
missing number
100
33
What is 55-22
100
72
What is 47+25
100
190, 200, 210, 220, 230, 240, 250
What is counting by 10's starting at 190 and ending at 250
100
42, 44, 46, 47, 63, 65
What is [__] [__] [__][__] [52] [54] [56] [__] [__]
100
9
What is ___+21=30
200
11
What is 31-19
200
107
What is 68+39
200
18, 20, 22, 24, 26, 28
What is counting by 2's starting at 18 and ending at 28
200
45,65,66,67,68,76,87
What is [__] [55] [57] [__][__][__][__] [__] [__]
200
22
What is 18+_____=40
300
55
What is 91-36
300
74
What is 26+48
300
295, 300, 305, 310, 315, 320
What is counting by 5s starting at 295 and ending ay 320
300
28. 29. 38, 39, 40, 47, 48, 49, 50
What is [__][__][30] [__][__][__] [__][__][__][__]
300
25
What is 75+____=100
400
15
What is 44-29
400
143
What is 69+74
400
13, 16, 19, 22, 25
What is counting by 3s starting at 13 and ending at 25
400
13, 14, 15, 16,26, 27, 28,33, 34, 35
What is [__][__][__][__][17] [__][__][__] [__][__][__]
400
15
What is 100-_____=85
500
18
What is 27-9
500
154
What is 99+55
500
32, 36, 40, 44, 48,52
What is counting by 4s starting at 32 and ending at 52
500
29, 30, 38, 40, 42
What is [__][__][31] [__] [__] [__]
500
64
What is 100-____=36