10, 20, 30, ____, 50, 60
40
15-4=___
11
Aaron gives Melvin 12 chocolate chip cookies.
Melvin ate 4 of the cookies.
How many cookies does Melvin have left?
8
1
one
8+2+7= ___
17
___, 90, 91, 92, 93
89
12-8=___
4
There are 17 red balloons. Some of them popped. Now there are 8 balloons left. How many red balloons are there now?
3
three
11+9=____
20
15, 25, ___, 45, 55
35
18-10=___
8
Angel invites 15 friends to her birthday party. 3 cannot come. How many friends will be at Angel's party?
12
7
seven
7+3+9=____
19
60, ____, 80, 90
70
80-30=___
50
Edith draws 16 flowers. Briella draws 7 flowers. How many flowers did they draw in all?
23
10
ten
10+10+10+10=_____
40
31, 41, ___, 61, 71
51
100-50=____
50
Daniel sees 21 bees. 5 bees flew away. How many bees are there now?
16
5
five
8 tens is ______
80