Arrays
"an ordered series or arrangement”
What is an array?
2 x 2 = ___
What is 4?
2/1
What is 2?
A math rule that says that the order in which we multiply numbers does not change the product.
What is the commutative property of multiplication?
x x x x
x x x x
x x x x
What is 3 x 4?
10 x 2 = ___
10/10
What is 1?
Are these the same?
245 x 15
15 x 245
Yes
x x
x x
x x
x x
x x
x x
What is 6 x 2?
3 x 4 = ___
What is 12?
10/2
What is 5?
Are these the same?
13 x 62
26 x 31
No
12 x 7 = 7 x __
What is 12?
9 x 7 = ___
What is 63?
10/5
What is 2?
0 0 0 0 x x x x x x
0 0 0 0 x x x x x x
0 0 0 0 x x x x x x
0 0 0 0 x x x x x x
0 0 0 0
0 0 0 0
What is 6 x 4 and 4 x 6?
o o o o o o o o o
o o o o o o o o o
o o o o o o o o o
What is 4 x 9?
10 x 30 = ___
What is 300?
20/4
What is 5?
Maurice splits 20 apples into 5 different groups. How many apples are in each group?
4 apples in each group