Which Property?
9 x 8 = 8 x 9
Zero, Identity, Associative, Commutative, Distributive
Commutative
Find the missing number:
10 x 5 = (6 x 5) + (_ x 5)
4
Find the missing number:
(5 x 4) x 2 =__ x ( 4 x 2)
5
What goes on the other side?
1,000 x 7 =
7 x 1,000
Instead of writing an x for the multiplication sign, what else might we see?
a dot, *, ()
4x(9x3)=(4x9)x3
Zero, Identity, Associative, Commutative, Distributive
Associative
Find the missing number:
_ x 3 =(5 x 3) + ( 7 x 3)
12
Find the missing number:
(6 x 3) x 2 = 6 x ( __ x 2)
3
What goes on the other side?
10 x 5 =
5 x 10
100 x 7 =
700
45 x 1 = 45
Zero, Identity, Associative, Commutative, Distributive
Identity property
Find the missing number:
13 x 7=(13 x 2)+(13 x _)
5
Find the missing number:
(_ x 9) x 5 = 14 x (9 x 5)
14
What goes on the other side?
200 x 100 =
100 x 200
Any number times 1 equals what?
itself
7 x 5 = 5 x 7
Zero, Identity, Associative, Commutative, Distributive
Commutative
Use the distributive property to solve.
27 x 9
243
Find the missing number:
(5 x 8) x _ = 5 x (8 x 2)
2
What goes on the other side?
1 billion x 3 =
3 x 1 billion
Any number times zero =
zero!
48x5=(5x40)+(5x8)
Zero, Identity, Associative, Commutative, Distributive
Distributive
Use the distributive property to solve
8 x 42
336
Find the missing number:
(100 x 35) x 2=100 x (_ x 2)
35
What goes on the other side?
89 x 4 =
4 x 89
Solve this problem:
25 x 8 =
200