Vocabulary
Place Value
Two-Digit Addition without Regrouping
Two-Digit Addition with Regrouping
Word Problems
100
Explain what an open number line is
An open number line on which children can mark points or numbers that are useful for solving problems.


100
How many ones are in the number 28?
There are 8 ones.
100

26 + 53 ____

79

100
37 +8 ___
45
100
Emily's baseball team is playing a baseball game to raise money for a children's hospital. Emily's team scored 11 runs in the game. The other team scored 8 runs. How many runs were scored in all?
19 runs
200

Use standard model to solve 14+26

 40

200
How many tens are in the number 137?
There are 3 tens.
200

17 + 81 ____

98

200

46 + 28 ____

74

200

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

41 cakes and pies

300

Finding the total, or sum, by combining two or more numbers together.

Addition

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

Rewrite the following addition sentence vertically: 32 + 16 =

32 +16 ___

300

63 + 29 ____

92

300

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

45

400

Use expanded form to solve 32+11

30+10+2+1=43

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

Rewrite the following addition sentence vertically: 43 + 24 =

43 +24 ____

400

47 + 26 + 38 = ___

111

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

Use base-ten blocks to solve 15+25

40
500
What is another way to write 9 tens and 3 ones?
93
500

42 + 13 + 24 = ___

79

500

12 + 34 + 22 + 18 = ____

86

500

Ms. Jasmine's garden has 24 red roses, 36 tulips, 18 sunflowers. How many flowers does she have altogether?

78

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