Partners of 10
_____ + 9 = 10
1
4 equal sides
square
20 + 3
23
10 - 6 =
4
7 + _____ = 10
3
3 sides that come to a point
triangle
40 + 40
80
20 - 10 =
10
3 ducks jump in the pond and 4 more join them, how many are in the pond now?
7 ducks
8 + ____ = 10
2
No sides or edges
circle
100 + 5
105
30 - 15 =
15
12 students go on a field trip. 5 of them get picked up early. How many are left on the field trip?
7 students
5 + _____ = 10
5
The shape of an ABC block
50 + 32
82
89 - 10 =
79
20 kids are on a bus and 15 more join them. How many are on the bus?
0 + _____ = 10
10
4 sides, 2 long sides, 2 short sides
rectangle
89 + 7
98
99 - 29 =
70
100 cats are at the shelter and 61 of them get adopted. How many are left at the shelter?
39 cats