Commutative Property
2 x 3 = 3 x __
2
1 x 0 =
0
There are 4 tables in the lunchroom. 5 kids are at each table. How many kids in the lunchroom?
4 x 5 = 20
What is Multiplication sentence is related to this addition fact?
5 + 5 + 5 +5 = 20
4x 5= 20 or 5 x 4 =20
What multiplication sentence matches the following array?
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3 x 5 = 15
6 x 4 = __ x 6
4
10 x1
10
Sam puts their books on 6 shelves. Each shelf has 3 books. How many books does Sam have on all the shelves?
6 x 3 = 18
What is 7 groups of 1
7
What multiplication sentence matches the array?
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1 x 8 =8
True or False?
3 x 10 = 10 + 3
False
32 x 0
0
Jamie has 15 cars. He says he can put them in 3 rows with 4 in each row. Is he correct?
No, 3 rows of 4 would be 12
8 x 2 =
16
What is the multiplication sentence for 4 groups of 3?
4x3 =12
Tommy says the 9 x 0 = 9 shows the commutative property. Is he correct?
NO!
197 x 1
197
9+9+9= 27
3+3+3+3+3+3+3+3+3= 27
1
Max sorts his stickers into 3 piles. There are 7 stickers in each pile. How many stickers does Max have?
3x7 = 21
How is the commutative property of multiplication similar to the commutative property of addition?
In both addition and multiplication, you can change the ORDER and the answer stays the same.
The product of any number and 0 is______.
zero
Group 1 has 5 kids. Each kid has 3 candy bars. Group 2 has 10 kids. Each kid has 1 candy bar. Which group has more candy bars?
Group 1 because 5 x3 = 15
Group 2 only has 10 x 1= 10
What is 20 x 10?
200
What multiplication sentence matches the array?
OO
OO
2 x 2 = 4