Addition
Bar Graph
Missing Addend
Surprise
100
12 + 12 =
24
100
How many more students like football than basketball?
6
100
9 + ? = 21
12
100
20 - 12 =
8
200
27 + 16 =
43
200
How many students like football or baseball? 
11
200
25 - ? = 10
15
200
17 + 13 =
30
300
25 + 25 =
50
300
How many fewer students chose crayons than paint?
4
300
8 + 6 =
14
300
What's your teachers favorite snack?
Ms. Pensick = PICKLES!
Ms. Schwartz = CHOCOLATE!
Mrs. Luebke = DONUTS!
400
39 + 23 =
62
400
How many more students chose dogs than fish?
3
400
17 - 12 =
5
400
If a question asked "How many more..." what do you do, add or subtract?
Subtract!
500
54 + 39 =
93
500
How many students voted for their favorite pet? 
18
500
6 + ? = 19
13
500
Ms. Pensick has 59 otters in her backyard. There are 22 more otters than there are dolphins. How many dolphins are in Ms. Pensick's backyard?
37 dolphins