Find the Missing Partner
Word Problems
Math Mountains
Hidden or Extra Information Word Problems
Adding 3 and 4 Addends
100

4 + 8 =

12

100

Erica has 13 colored pencils. She has 8 at home and some at school. How many are at school?

5 colored pencils

100

     18

  /         \

9           ___


9

100

Iris has 8 notebooks. She had 7 pencils. Mary gives Iris 4 more notebooks. How many notebooks does Iris have now?

12 notebooks

100

4+3+6=

13

200

___= 7 + 6

13

200

Kate has a box of tennis balls. Emma takes 7 of them. Now Kate has 3 tennis balls. How many tennis balls did Kate have at the beginning?

10 tennis balls

200

Solve the math mountain and write an equation to match.

    15

  /         \

9           ___

6

9+6=15

6+9=15

15-6=9

15-9=6

200

Trisha has 5 dogs and 3 cats at her house. There are 3 brown dogs, and the rest are black. How many dogs are black?

2 dogs

200

5+7+3=

15

300

3 + ___ = 14

11

300

Jeremy has 16 stickers. That is 4 fewer stickers than Matt. How many stickers does Matt have?

20 stickers

300

Find the missing partner and write 2 equations to match the math mountain.

    13

  /         \

7           ___

6

13-6=7

13-7=6

6+7=13

7+6=13

300

There are 8 children and a set of young twins at the park. How many children are at the park?

Missing Information: Twins= 2 kids

Answer: 10 children

300

4+9+4+1=

18

400

Is the total 13? Yes or no:

1. 7+6 

2. 8+5

3. 10+2

1. Yes

2. Yes

3. No

400

There are 3 cookies, 7 brownies, and 4 cupcakes on the dessert table. How many desserts are on the table?

14 desserts

400

Solve the math mountain and write 3 equationt to go with it.

       ?

  /         \

7             9

16

9+7=16

7+9=16

16-9=7

16-7=9

400

Tyler, Mike, and Steve each bought a new pair of football gloves. How many total gloves do the boys have?

Hidden Information: Pair=2

Answer: 6 gloves

400

2+8+6+4=

20

500

18-___= 13

5

500

Kim had a bag of oranges. She gives 6 oranges to Aubrie. Now she has 15 apples left. How many oranges were in the bag at first?

21 oranges

500

Complete the math mountain and write 4 equations that go with it. 

       ?

  /         \

7           11

18

11+7=18

7+11=18

18-7=11

18-11=7

500

There were 6 boys and a set of triplets on the bus. How many kids were on the bus?

Hidden Information: Triplet=3

Answer: 9 kids

500

9+5+3+7=

24

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