Addition &
Subtraction to 20
Solving with Strategies
Identify the Operation
Addition OR Subtraction?
Word Problems
Word Problems 2
100

9 + 4

13

100

SOLVE USING YOUR FINGERS!
8 - 5

3

100

Kevin found some bird feathers in the park. On his way home he lost some of the feathers.

Subtraction

100

Ms. Dorie read 8 books one month and 6 the next.  How many books did she read altogether?

14 books

100

Santa has 7 candy canes in his pocket.  Rudolph eats one.  How many candy canes does Santa have left?

6 candy canes

200

12 - 5

7

200

SOLVE WITH A DRAWING!

6 + 11

17

200

Mr. Josh bought some red apples and some green apples. How many apples did he buy?

Addition

200

Ms. Erin had 20 pencils and handed out 13 to her class.  How many does she have left?

7 pencils

200

We have 8 long-sleeve shirts and 12 short-sleeve shirts. How many shirts do we have?

20 shirts

300

3 + 15

18

300

SOLVE USING A NUMBER LINE!

18 - 4

14

300

Ms. Kaley collected 38 seashells at the beach. She lost some.

Subtraction

300

Robert had some Goldfish crackers. He ate 7 of them. Then he had 3 left. How many Goldfish crackers did Robert have before he ate some?

10 Goldfish crackers

300

The dentist did check-ups on 6 adults and 10 children. How many check-ups did the dentist do altogether?

16 check-ups

400

14 - 4

10

400

SOLVE WITH A DRAWING!

3 turkeys plus 7 turkeys is how many turkeys?

10 turkeys

 

400

Goofy Glenda counted a lot of ants on the playground. She counted even more ants at her house.

Addition

400

Marsha had a jar of 15 pickles.  She ate 7 pickles and drank some of the pickle juice.  How many pickles are left in the jar?

8 pickles

400

13 friends are playing kickball. 6 friends are playing tag. How many friends are there in all?

19 friends

500

18 - 9

9

500
SOLVE USING A NUMBER LINE!

18 goblins minus 2 goblins is how many goblins?

16 goblins

500

Hazel and Frankie chewed up 5 pairs of Mr. Josh's shoes.  Mr. Josh looked in his closet and now only has 2 pairs left.  How many shoes did he start with?

Acceptable Answers:

Addition: 2 + 5 = 7.  Subtraction ? - 2 = 5.

500

Mr. Colby made some water balloons. He threw 4 of them at trick-or-treaters (Not very nice, is it?).  Now he has 8 water balloons left.  How many did he have to start?

12 water balloons

500

There were 12 horses running in the field.  There are 3 horses resting in the barn.  How MANY MORE horses are in the field than the barn?

9 more horses