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Vocabulary
Adding Two-Digit Numbers
Adding Three Two-Digit Numbers
How Many Tens; How Many Ones
Problem Solving
100

The anser to an addition problem is called a(n) __________.

sum

100
33 +18 ____ ?
What is 51?
100
12+20+50=
What is 82?
100
75 ___ tens and ___ ones
What is 7 tens and 5 ones?
100
Isaac filled 16 balloons with water. Sarah filled 7 with water. How many water balloons do they have altogether?
What is 23 water balloons?
200

Numbers being added together are called __________.

addends

200
64 +26 ____ ?
What is 90?
200
32+16+22
What is 70?
200
92 ___ tens and ___ ones
What is 9 tens and 2 ones?
200
Jamal had 54 model toy cars. His grandmother gave him 9 more. How many model toy cars does Jamal have now?
What is 63 model toy cars?
300

To take a number apart and write it in a new way is to _____________.

regroup

300
58 +12 ____ ?
What is 70?
300
54+26+13=
What is 93?
300
29 + 16 ___ tens and ___ ones
What is 4 tens and 5 ones?
300
The sum of 17 plus 4 tens and 7 ones.
What is 64 ?
400

When you join sets together, you _________.

add

400
46 +26 ____ ?
What is 72?
400
18+55+23=
What is 96?
400
45 + 12 ___ tens and ___ ones
What is 5 tens and 7 ones?
400
There are 56 fifth graders playing in the gym. If 32 fourth graders and 10 third graders come to the gym, how many students are in the gym together?
What is 98 students?
500

Do I need to regroup the ones in: 31 + 8?

I do not need to regroup.

500
9 +32 ____ ?
What is 41?
500
34+27+43=
What is 104?
500
63 + 17 ___ tens and ___ ones
What is 8 tens and 0 ones?
500
What is the sum of 15 plus 4 tens and 2 ones?
What is 57?