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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 milkshakes

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

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 leaves

500
The reorganization of numbers.
What is regrouping?
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. Baldino's garden has 24 red roses, 36 tulips, 18 sunflowers. How many flowers does she have altogether?

78 flowers