Caleb is 17 yeas old. His sister is 12 years younger. How old is Caleb's sister?
5 years old
There are 6 red birds and 17 brown birds in a tree. If 8 more brown birds come, how many birds will there be in all?
31 birds
2 + 2 = 10 - _____
6
Connor has 39 sheets of green paper and some sheets of yellow paper. He has 78 sheets of paper in all. How many yellow sheets of paper does Connor have?
39 yellow sheets
Erika saw 16 frogs on a lily pad and 8 frogs in the mud. If 7 of the frogs hop away, how many frogs will be left?
17 frogs
10 + 13 = 17 + _____
6
Dylan and his friends had some blueberries. They ate 39 blueberries. They have 21 blueberries left. How many blueberries did Dylan and his friends have at first?
60 blueberries
There were 15 red apples and 6 green apples in a bowl. Eric ate 2 of the apples. How many apples are in the bowl now?
19 apples
_____ - 4 = 9 + 8
21
Gavin painted 14 pictures last week. He painted some more pictures this week. He painted 25 pictures in all. How many pictures did Gavin paint this week?
11 pictures
25 wolves howl together in the woods. 14 wolves join them. Then 22 wolves run away. How many wolves are left?
17 wolves
45 - 20 = 15 + ____
10
Oliver runs 23 fewer laps than Nate. Nate runs 61 laps. How many laps does Oliver run?
38 laps
There are 44 marbles in a jar. Some are red and 23 are blue. Julie adds 13 red marbles to the jar. How many red marbles are in the jar now?
34 red marbles
____ - 35 = 27 + 19
81