Commutative
5x6 = 6x____
5
2x(2x3)=(2x2)x3
True or False
True
When multiplying under the zero property the answer is always..
Zero
When you use the distributive property, you _____
an equation into two easier equations to work with.
break apart
7x3=3x7
Commutative Property
8x11= ___x8
11
4x(2x2) = ?
? = 16
4 x 0 =
0
2x4= (2x__) + (2x__)
(2x2) + (2x2)
4x0=0
Zero Property
If 4x3=12 then 3x___=12
4
3x(4x5)=(3x4)x___
5
4 x 1 =
4
What two equations can you break this into to make it easier to solve?
3x4
(1x4)+(2x4)
(3x2)+(3x2)
3x1=3
Identity Property
8x9=
__x__=72
9x8
Solve the equation
(2x3)x4=
24
36 x 0
0
Jamal broke up a large array into a 3 x 6 array and a 4 x 6 array. What was the large array?
(3x6) + (4x6) = (7x6)
3+4=7
8x4= (8x2) + (8x2)
Distributive
Using the expression 8x7=?, find the answer to the ? and write the other expression we know would be true
56
7x8=56
A bookstore uses 6 books in each display. There are 2 displays on each of the bookstore's 4 walls. How many books are used in the displays?
6x2x4
6x(2x4)
6x8=48
36 x 1 =
36
Jamal broke up a large array into a 3x2 array and a 6x2 array. What was the large array?
(3x2) + (6x2) = (9x2)
3+6 = 9
4x(3x5)=(4x3)x5
Associative Property