Multiplication Equation
34 is 2 times as many as 17
17 x 2 = 34
50 x 2
100
What is the estimated product of 328 x 5?
1,500
4x0=0
Zero Property
6 x 200
1,200
56 is 7 times as many as 8
7 x 8 = 56
68 x 4
272
9 x 7000
63,000
71 x 1= 71
Identity Property
9 x 3,000
27,000
150 is 5 times as many as 30
5 x 30 = 150
60 x 9
540
How many zeros are in the product of 5 and 600?
3
(Answer: 3,000)
7x(40+6)=7x40+7x6
Distributive Property
5 x 100
500
320 is 8 times as many as 40
8 x 40 = 320
240 x 5
1200
How many times as many as 6 is 48?
8
6x9x3=3x6x9
Commutative property
8 x 40
3,200
720 is 9 times as many as 80
9 x 80 = 720
820 x 6
4920
Use front-end estimation to solve. 9 x 82
720
50x(3x12)=(50x3)x12
Associative
8 x 700
5,600