Adding tens
23 + 30 =
53
21 + 48 =
69
62 -10 =
52
28- 11=
17
Joe has 5 cookies. Tom has 4 cookies. How many cookies are there in all?
9 cookies
45 + 20 =
65
23 + 43 =
66
98 - 30 =
68
35 - 25 =
10
Sue has 17 bags of chips. She gives 9 bags to her friend. How many bags of chips does she have left?
8 bags
64 + 30=
94
65 + 24 =
89
84 - 50 =
34
64 - 21
43
Tim has a box of 24 crayons. His sister gives him 15 more crayons. How many crayons does he have now?
39 crayons
52 + 40 =
92
71 + 13 =
84
90 - 70 =
20
76 - 14 =
62
Penny brought 5 cupcakes to a birthday party. Logan brought 5 cupcakes to the party. Charlie brought 5 cupcakes to the party. How many cupcakes are there in all?
15 cupcakes
48 + 30 =
78
45 + 33 =
78
75- 40
35
88 - 53 =
35
Meg has 24 crayons. She gives 12 to Frank. How many crayons does Meg have now?
12 crayons