Properties of Multiplication
True or False: The equations: 2x3 & 4x2 show the commutative property.
False: Because the two equations have different factors they do not show the commutative property.
2 X 9
18
4 X 4
16
Tenley wants to make 3 cookies for her and 4 friends to share evenly. How many total cookies does Tenley need to make?
12
5X(5X2)=
50
True or False: This multiplication equation 8x1=8 is an example of the identity property.
TRUE (any equation with a factor of 1 shows the identity property)
8x4
32
10x10
100
Evan wants to score twice as many points at his basketball game this week than he did last week. He scored 9 points last week. How many does he need to score this week to reach his goal?
18
7X6=
42
What property is being shown with these equations:
(2X6)X4= ____ & 2X (6X4)= _____ ??
The Associative Property
8x2
16
5x5
25
Hadassah drew 7 pictures for each of her 8 friends. How many total pictures did Hadassah draw?
56 pictures
8X_=32
4
What is the associative property?
Associative property says that no matter what order the factors are multiplied, the product will be the same.
9x6
54
7x7
49
Leo and Johnny were partnered on a project and collected 121 bottles from 11 people. If each person donated the same amount of bottles, how many did each person donate?
11 (11 X 11 = 121)
What is the digital root of the number 1,524?
3 (1+5+2+4=12; 1+2=3)
The identity property states when one of the factors of a multiplication product is 1; the product is the other factor.
8x7
56
8x8
64
There were a total of 21 cookies. Wyatt and his 6 friends split the cookies evenly. How many total cookies did Wyatt eat?
3
Jax has 144 Pokémon cards. How many sheets will he need to hold them all if only 6 will fit on each sheet?
24 sheets