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Vocabulary
Place Value
Two-Digit Addition without Regrouping
Two-Digit Addition with Regrouping
Word Problems
100
The answer to an addition problem.
What is sum?
100
How many ones are in the number 28?
There are 8 ones.
100

26 + 3 ____

29

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
A number that is added to another number.
What is an addend?
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
Finding the total, or sum, by combining two or more numbers together.
What is 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
Jordan sells 26 vanilla milkshakes and 19 chocolate milkshakes. How many milkshakes does Jordan sell in all?
45
400
Counting by equal groups (a number other than one).
What is skip counting?
400
How many tens and ones are in the number 36?
3 tens and 6 ones
400

43 + 24 =

67

400

42 +38 ___

81

400
67 leaves were on the ground and 23 more fell down. Now how many leaves are on the ground?
90
500
The reorganization of numbers.
What is regrouping?
500
What is another way to write 9 tens and 3 ones?
93
500

49 +24 ___

73

500

22 +18 = ____

40

500
Ms. Baldino's garden has 24 red roses, 36 tulips, 18 sunflowers. How many flowers does she have altogether?
78