Show:
Number Patterns
Properties
Rounding
Addition
Subtraction
100
5, 10, 15, ____
20
100

A x 1 = A

Identity Property of Multiplication

100
Round 59 to the nearest 10
60
100
15+24
39
100
59-26
33
200
12, 15, 18, _____
21
200

A x 0 = 0

Zero Property of Multiplication

200
Round 283 to the nearest hundred
300
200
93+28
121
200
64-29
35
300
22, 20, 18, _____
16
300

A x B = B x A

Commutative Property of Multiplication

300
Round 653 to the nearest hundred
700
300
689+248
937
300
987-123
864
400
50, 45, 40, ______
35
400
Solve the problem using Associative Property of Addition:


17 + 26 + 13 + 24 = 

(17+13) + (26+24) = 30+50 = 80
400
Round 638 to the nearest ten.
640
400
864+678
1,542
400
812-346
466
500
97, 94, 91, 88, ____
85
500

37 x 3 + 13 x 3 = 

Which property would you use and what's the answer?

Distributive Property of Multiplication

(37+13) x 3= 50 x 3 = 150

500
Round 4,583 to the nearest thousand.
5,000
500
3,679+7,564
11,243
500
900-364
536