Find the Difference
Write an equation to represent the problem and solve. There are 13 birds in the tree. 5 fly away. How many birds are still in the tree?
13-5=8
Write an equation to represent the problem and solve. Jill has 7 apples. She eats some and now she has 5 left. How many apples did Jill eat?
7-?=5
?=2
10-3=_
7
12-8=_
4
Write an equation to represent the problem and solve. Kim reads for 9 minutes on Monday and 6 minutes on Tuesday. How many minutes has Kim read this week?
9+6=?
?=15
Beck has 12 blocks. He has 7 large blocks and the rest are small. How many small blocks does Beck have?
12-7=5
Write an equation to represent the problem and solve. There are 12 fish in a tank. Some are small and 6 are large. How many small fish are in the tank?
12-?=6
?=6
7-2=_
_=19-9
10
Write an equation to represent the problem and solve. Pete needs to read for 20 minutes. He has already read for 8 minutes. How many more minutes does Pete need to read?
20-8=?
?=12
Write an equation to represent the problem and solve. Jon had 19 cupcakes at his birthday. He ate 2. How many cupcakes are left?
19-2=17
Write an equation to represent the problem and solve. Kate has 15 stickers. She gives some to her friends. Now she has 10 stickers. How many stickers did Kate give to her friends?
15-?=10
?=5
8-4=_
4
Write an equation to represent the problem and solve. You have 17 grapes. You eat 8. How many grapes do you have left?
17-8=?
?=9
Write an equation to represent the problem and solve. There are 18 kids on the bus. Some kids get off at their bus stop. Now there are 14 kids left on the bus. How many kids got off at the bus stop?
18-?=14
?=4
Write an equation to represent the problem and solve. Bob gets 15 apples at the store. He needs 8 to bake a pie. How many apples does Bob have left? Extension: Does he have enough apples to bake another pie?
15-8=7
No, he does not have enough to make another pie.
Write an equation to represent the problem and solve. Sam has 15 free movie tickets. He uses some. Now he has 3 left. How many free movie tickets did Sam use? Extension: Write a related fact you could use to solve the problem.
15-?=3
?=12
3+?=15 OR ?+3=15 OR 15-3=?
_=7-4
Write an equation to represent the problem and solve. The pet store has 18 fish for sale. Some are sold. Now there are 9 fish left for sale. How many fish did they sell?
18-?=9
?=9
Write an equation to represent the problem and solve. Dan has 5 toy cars. He gets some more at the store. Now he has 11 toy cars. How many cars did he get at the store?
5+?=11
?=6
Write an equation to represent the problem and solve. Dave has 17 cookies. 11 are chocolate chip. The rest are peanut butter. How many cookies are peanut butter? Extension: Does he have more chocolate chip or peanut butter cookies?
17-11=6
He has more chocolate chip cookies.
Write an equation to represent the problem and solve. James can invite 15 friends to his party. He has already invited some friends. Now he has 6 invitations left. How many people has James already invited? Extension: Write a related fact that could help you solve the problem.
15-?=6
?=9
15-6=? OR ?+6=15 OR 6+?=15
_=9-6
3
Write an equation to represent the problem and solve. Tim has 17 pets. Some are cats and some are dogs. How many cats and dogs could Tim have?
Answers will vary.
Write an equation to represent the problem and solve. Quin has 18 minutes until school. She spends a few minutes getting ready. Now she has 8 minutes left until school. How long did it take Quin to get ready?
18-?=8
?=10