2-digit addition
3-digit addition
Multiple Addends
Word Problems
Higher Order Thinking
100
24 +13
37
100
125 + 67
192
100

14 + 22 +13

49

100

On the first day of school, students used 310 small paperclips and 167 large ones. How many paperclips did they use altogether?

477

100
Which place do you start in to add two and three digit numbers?
The ones place
200
36+65
101
200
257 + 64
321
200
12+24+36
72
200

Randy has 135 marbles in a jar. His friend gives him 490 more. How many marbles does randy have in all?

625

200
10 ones become ________
A ten
300
58+68
126
300
547 +334
931
300

35 + 43 +56

134

300
Sean made a gingerbread house with 192 jelly beans and 248 gum drops. How many pieces of candy did Sean use in all?
440
300
10 tens become _______
A hundreds block
400
67 +74
141
400
684 +256
940
400

12 +20 +34 +21

87

400
Andy painted his house using 26 gallons of white paint, 57 gallons of green paint, and 42 gallons of blue paint. How many gallons of paint in all did Andy use?
125
400
What is regrouping?
Changing groups of ones into tens. Changing groups of tens into hundreds. Changing groups of hundreds into thousands.
500
95+97
192
500

325 +486

811

500

42 + 25 + 54 +21

142

500
On rainy days, Alexa reads in her room to pass the time. Last year, she read 112 plays, 232 comic books, and 173 novels. How many books did she read in all?
517
500
How do you know when you need to regroup when you are adding?
When you have more than 10 ones, tens, or hundreds you need to regroup.
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