Vocabulary
Place Value
Two-Digit Addition without Regrouping
Two-Digit Addition with Regrouping
Word Problems
1
The answer to an addition problem.
What is sum?
1
How many ones are in the number 28?
There are 8 ones.
1
26 + 3 ____
29
1
37 +8 ___
45
1
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
5
A number that is added to another number.
What is an addend?
5
How many tens are in the number 137?
There are 3 tens.
5
17 + 11 ____
28
5
46 + 24 ____
70
5
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
10
Finding the total, or sum, by combining two or more numbers together.
What is addition?
10
How many tens are in the number 6?
There are 0 tens.
10
Rewrite the following addition sentence vertically: 32 + 16 =
32 +16 ___
10
63 + 29 ____
92
10
Jordan sells 26 vanilla milkshakes and 19 chocolate milkshakes. How many milkshakes does Jordan sell in all?
45
20
Counting by equal groups (a number other than one).
What is skip counting?
20
How many tens and ones are in the number 36?
3 tens and 6 ones
20
Rewrite the following addition sentence vertically: 43 + 24 =
43 +24 ____
20
47 26 +38 ___
111
20
67 leaves were on the ground and 23 more fell down. Now how many leaves are on the ground?
90
50
The reorganization of numbers.
What is regrouping?
50
What is another way to write 9 tens and 3 ones?
93
50
42 13 +24 ___
79
50
12 34 22 +18 ____
86
50
Ms. Baldino's garden has 24 red roses, 36 tulips, 18 sunflowers. How many flowers does she have altogether?
78