5+5=
10
10-3=
7
5 tens
50
I have 3 sides.
triangle
Mr. Hall has 2 dogs. HE goes to the shelter and gets 2 more dogs. How many digs does Mr. Hall have now?
4 dogs
20+20=
40
40-20=
20
5 tens and 5 ones
55
I have zero sides
circle
Mr. Hall has 10 apples. He eats 3 apples. How many apples does Mr. Hall have left?
7
55+40=
95
65-30=
35
7 tens and 8 ones
78
I have 4 equal sides
square
There are 20 first graders in the gym. 15 more kids come in? How many kids are in the gym now?
35
36+21=
57
65-31=
34
3 ones and 8 tens
83
I have 4 sides
rectangle
Ms. Witt has 65 skittles. She eats 20 skittles. How many skittles does Ms. Witt have now?
45
37+53=
90
99-97=
2
15 ones and 4 tens
55
I have 6 sides
hexagon
Ms. Fluhr found 63 worms in her garden. She also found 37 beetles. How many bugs did Ms. Fluhr find in her garden?
100