Quick Facts
5x2
10
(4x3)x2 can also be written as...
4x(3x2)
Chef Mel can feed 5 people with 1 pot of soup. How many people can she feed with 3 pots of soup?
15 people
True or False:
When a problem has parentheses, I should always do the numbers inside of the parentheses first.
6x5
30
Use parentheses to group 2 x 5 x 3 two different ways and solve both.
(2 x 5) x 3 = 30
2 x (5 x 3) = 30
Anna buys 2 sheets of stickers. Each sheet has 4 rows of 4 stickers. How many stickers does Anna have in total?
32 Stickers
True or False:
ax(bxc) this the same as (axb)xc.
True
7x3
21
(4x2)x5 can be simplified to what math fact?
8x5
The grocery store has 6 boxes of oranges. There are 6 oranges in each box. how many oranges are there in all?
36 Oranges
Which of these illustrates the associative property of multiplication?
A). 4 x (5 x 6) = (4 x 5) x 6
B). 6 (9 + 1) = (6 x 9) + (6 x 1)
C). 4 x (56) = (45) x 6
D). 5 + 0 = 0 + 5
A
5x10
50
Which of the following does not have the same product as 8 x (2 x 4)?
A. 8 x (4 x 2)
B. 16 x 4
C. 8 x 6
D. (4 x 8) x 2
C. 8 x 6
Farmer Joe has a garden with 2 sections of vegetables. Each section of vegetables has 5 rows with 10 vegetables in each row. How many total vegetables does farmer Joe have?
100 Vegetables
How do you write 2x(5x4) in the associative property?
(2x5)x4
or
2x(5x4)
6x4
24
2 x (6x__)=60 What is the missing number?
5
There is a new roller coaster at an amusement park. The roller coster has 4 cars. Each car has 2 rows with 4 seats in each row. How many passengers can ride on the roller coaster at once?
32 passengers
Which of the following shows the associative property?
A). (6x4)x3=6x(4x3)
B). 7(5x1)=5(7x1)
C). (9x2x4)=9x2x4
D). 2(3x3)=18
A). (6x4)x3=6x(4x3)