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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 20?

There are 0 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 147?

There are 4 tens.

200

55+ 11 ____

66

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

32 + 16 =

48

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 16?

1 ten and 6 ones

400

43 + 24 =

67

400

47+23 +32 ___

102

400

60 leaves were on the ground and 3 more fell down. Now how many leaves are on the ground?

63

500
The reorganization of numbers.
What is regrouping?
500

What is another way to write 2 tens and 3 ones?

23

500

42+13+24 ___

79

500

34+22+18 ____

74

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