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Addition within 20
Place Value
Two-Digit Addition without Regrouping
Two-Digit Addition with Regrouping
Word Problems
100

5+5

10

100
How many ones are in the number 28?
There are 8 ones.
100
26 + 3 ____
29
100
37 +8 ___
45
100

Ricardo's baseball team is playing a baseball game to raise money for a children's hospital. Ricardo's team scored 11 runs in the game. The other team scored 8 runs. How many runs were scored in all?

19 runs

200

8+9

17

200
How many tens are in the number 137?
There are 3 tens.
200
17 + 11 ____
28
200
46 + 24 ____
70
200

Lauren has 17 cakes and 24 pies to sell at the bake sale. How many cakes and pies does she have to sell?

41 cakes and pies

300

4+5

9

300
How many tens are in the number 6?
There are 0 tens.
300

32 + 16 =

48

300
63 + 29 ____
92
300

Luis sells 26 vanilla milkshakes and 19 chocolate milkshakes. How many milkshakes does Luis sell in all?

45

400

3+2

5

400
How many tens and ones are in the number 36?
3 tens and 6 ones
400

43 + 24 =

67
400

47 + 39

86

400
67 leaves were on the ground and 23 more fell down. Now how many leaves are on the ground?
90
500

10+6

16

500

What is another way to write 8 tens and 2 ones?

93

500

42 + 24 = ___

66

500

52+ 39 = ____

91

500

Ms. D's garden has 24 red roses and 36 sunflowers. How many flowers does she have altogether?

60 flowers