Adding Three Numbers
Addition without Regrouping
Addition with Regrouping
Story Problems
100

2 + 8 + 7 =

17

100

10 + 8 = 

18

100

14 + 16 =

30

100

Mary has 14 lollipops and 6 sour gummies. How many candies does she have in all?

20

200

9 + 6 + 1 = 

16

200

10 + 20 = 

30


200

29 + 11 = 

40

200

I have 12 pencils. John has 7 more pencils than me. How many pencils does John have?

19

300

8 + 7 + 3 =

18

300

12 + 13 = 

25

300

17 + 16 = 

33

300

My dog ate 11 snacks in the morning. He ate 18 more snacks at night. How many snacks did he eat in all?

29

400

3 + 8 + 4 = 

15

400

16 + 11 =

27

400

16 + 18 =

34

400

We bought 18 hamburgers and 15 cheeseburgers. How many burgers did we buy in all?

23

500

8 + 9 + 7 = 

24

500

23 + 15 = 

38

500

23 + 18 = 

41

500

I sold 22 cupcakes at the bake sale. If I sell 10 more, how many cupcakes will I sell in all?

32

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