Multiplication Properties
Identify the property being used:
8 x 3 x 5 = 8 x 5 x 3
Commutative
3 x 500
1,500
Use rounding to estimate the product:
87 x 5
90 x 5 = 450
Use Front-End Estimation to estimate the product:
34 x 9 =
270
Eric flew 2,000 miles on his last vacation. If Brandon traveled twice as much, how many miles did Brandon fly?
4,000 miles
Use a place-value model to solve the following problem.
Gavin bought 5 boxes of donuts. Each box contains 2 dozen donuts. How many donuts does he have?
120 donuts
Identify the property being used:
348 x 1 = 348
Identity
5 x 500
2,500
Use rounding to estimate the product:
456 x 9 =
500 x 9 = 4,500
Use Front-End Estimation to estimate the product:
456 x 4 =
400 x 4 = 1,600
Michaela gets $10 each week for her allowance. How much money would she have after 8 week?
$80
Use a place-value model to solve the following problem.
Claire helped to set up this Sunday's church service. She set up 8 rows of 15 chairs. How many chairs are available?
120 chairs
Identify the property being used:
829 x 20 x 2 x 0 = 0
Zero Property
7 x 6,000
42,000
Use rounding to estimate the product:
345 x 5 =
300 x 5 = 1,500
Use Front-End Estimation to estimate the product:
864 x 9
800 x 9 = 7,200
What is the product of 50 times 4?
200
Use a place-value model to solve the following problem.
Michael needs to paint his room. Each can of paint costs $32. He needs buy 3 cans. How much will he spend on paint?
$96
Identify the property being used:
4 x (5 x 7) = (4 X 5) x 7
Associative
9 x 900
8,100
Use rounding to estimate the product:
874 x 3 =
900 x 3 = 2,700
Use Front-End Estimation to estimate the product:
485 x 7
400 x 7 = 2,800
Derek bought 3 boxes of cookies. Each box has 20 cookies. How many cookies did Derek buy altogether?
60 cookies
Use a place-value model to solve the following problem.
Christie buys 5 boxes of treats for her dog. Each box contains 110 treats. How many treats does she have?
550 treats
Identify the property being used:
6 x (2 + 8) = (6 x 2) + (6 x 8)
Distributive
5 x 800
4,000
Use rounding to estimate the product:
2,346 x 4 =
2,000 x 4 = 8,000
Use Front-End Estimation to estimate the product:
3,384 x 6 =
What is the product of 500 and 8?
4,000
Use a place-value model to solve the following problem.
Mrs. Ferguson needs to buy 7 new Chromebooks for the school. Each Chrombook costs $240. How much will she have to spend?
$1,680