Properties
Use properties to find the missing number and tell which property was used.
256 x _____= 256
missing number is 1
property is Identity Property
Find the product
12 x 30
360
Estimate the product
7 x 396
2,800
Find the product
54 x 9
486
What is a product
The answer to a multiplication problem
Use properties to find the missing number and tell which property was used.
157,678 x ______ = 0
answer = 0
property= zero property
Find the product
600 x 40
24,000
Estimate the product
91 x 51 =
4,500
Find the product
92 x 6 =
552
You can apply the commutative property to both addition and multiplication.
true!
3 +7 or 7 + 3
3 x 7 or 7 x 3
Use properties to find the missing number and tell which property was used.
(12 x 3) x 4 = 12 x (__ x 4) =
answer = 3
Property = associative
Find the product
9 x 10 x 800
72,000
Estimate the product
32 x 400
12,000
67 x 48
3,216
What does the commutative property do?
It allows you to switch the order around of the numbers and still get the same answer.
Use properties to find the missing number and tell which property was used.
40 x 60 = 60 x ____
answer = 40
Property- commutative
Find the product
7,000 x 400 x 1
2,800,000
Estimate the product
17 x 63 =
1,200
Find the product
51 x 605
30,855
612 pieces
Use properties to find the missing number and tell which property was used.
4 x (3 x 6) = (4 x 3) x ____
answer = 6
property= associative
Find the product
8 x 50 x 200 =
80,000
Estimate the product
70 x 523 =
35,000
Find the product
1,674 x 24 =
40,176
The students put together 12 jigsaw puzzles. Each puzzle had 345 pieces. How many puzzle pieces did they put together in all?
4,140 pieces