addition
11-2
9
10-6
4
3,5,___
8
I have 16 pens. You have 12 pens. How many do we have in all?
28 pens
18-9
9
10-2-4
4
10
You have 28 toy cars. I have 46 toy cars. How many fewer cars do you have?
18 cars
8+3+2
13
29-8
21
6,__,14
8
Thirteen people are in our math group. How many hands are there?
26 hands
25+24
49
65-29
36
24,__,36
12
The giant forest hog weighs about 520 pounds. The pygmy hog weighs about 20 pounds. How much less does the pygmy hog weigh?
500 pounds less
318+261
579
649-325
324
35,___,75
40
The polar bears has 5 sharp, curved claws on each foot. How many claws do two bears have?
20 claws