Addition Properties
Round then Add Sums
Regroup Ones
Regroup Ones and Tens
Column Addition
100

5 + 2 = 2 + 5

commutative

100
54 + 72 =
What is 120?
100
34 + 27 =
What is 61?
100
313 + 485 =
What is 798?
100

61 + 15 + 17 =

What is 93?

200

8 + 0 = 8

identity

200
71 + 17 =
What is 90?
200
23 + 68 =
What is 91?
200
$3.82 + 5.65 =
What is $9.47?
200
25 + 25 + 45 =
What is 95?
300

4 + 3 = 3 + 4

commutative

300
37 + 29 =
What is 70?
300
165 + 229 =
What is 394?
300
372 + 479 =
What is 851?
300
129 + 57 + 12 =
What is 198?
400

(4 + 6) + 2 =

associative

400
384 + 525 =
What is 900?
400
$6.22 + 2.49 =
What is $8.71?
400
$2.94 + 6.76=
What is $9.70?
400
23 + 238 + 340 + 152 =
What is 753?
500

3 + (6 + 4) =

associative

500
$8.52 + $2.84 =
What is $12?
500
1,489 + 401 =
What is 1,890?
500
657 + 264 =
What is 921?
500
$30.57 + 54.69 + 3.09 =
What is $88.35?
M
e
n
u