Addition Within 100
23+10=_
33
48-10=_
38
Kim is baking cakes. She made 14 chocolate cakes and 16 vanilla cakes. How many cakes did she bake in total?
30
Start at the number 10 and skip count by 10's until you get to the number 50
10, 20, 30, 40, 50
Use place value to solve:
12+25+13=_
50
Use place value to solve:
35+52=_
87
Use place value to solve:
59-16=_
43
Jack is collecting marbles. He has 37 marbles, but he loses 23. How many marbles does Jack have now?
14 marbles
Start at the number 30 and skip count by 5's until you get to the number 60
30, 35, 40, 45, 50, 55, 60
Use place value to solve:
31+24+13=_
68
Use place value to solve:
48+25=_
73
Use place value to solve:
38-19=_
19
Lucas is enjoying the colorful leaves on the fall trees. He sees 36 red leaves and some yellow leaves. In all, he saw 71 leaves. How many yellow leaves did he see?
35 yellow leaves
Start at the number 55. If you skip count by 10's, what will the next four numbers be?
55, 65, 75, 85, 95
Use a number line to solve:
52+27+18=_
97
Use a number line to solve:
27+48=_
75
Use a number line to solve:
53-27=_
26
Mary and James love to watch movies. Over the weekend, Mary watched 45 movies, and James watched 28 movies. How many more movies did Mary watch than James?
17 more movies
Start at the number 46. If you skip count by 10's what will the next four number be?
Use a number line to solve:
29+22+34=_
85
Solve using a strategy of your choice:
68+25=_
93
Solve using a strategy of your choice:
91-59=_
32
Chris is going to the pumpkin patch. He finds 65 small pumpkins and 39 large pumpkins. How many fewer large pumpkins did he see than small pumpkins?
26 fewer large pumpkins
Start at the number 117. If you skip count by 10's what will the next four numbers be?
Rosie collects seashells. She collected 36 green shells, 28 red shells, and 15 blue shells. How many shells did she collect?
79