Addition within 1,000
430+215=
645
10+20=
30
Is 8 even or odd?
10-7=
3
600-400
200
387+523=
910
40+35=
75
Is 17 even or odd?
Odd
30-10=
20
750-350=
400
252+690=
942
14+85=
99
How many groups of 2 can I make with the number 12?
6
68-43=
25
872-641
231
189+547=
736
56+29=
85
How many groups of 2 can I make with the number 46?
23
45-12=
33
457-398
59
351+649=
1,000
78+14=
92
How many groups of 2 can I make with the number 162?
81
51-38=
13
1000-582
418