Arrays

​What do you remember about Arrays?

​1. Take a minute to think of everything you know about arrays.

​2. Round Robin

Poll

Which type of math equation can be solved with an array?

• Addition

• Subtraction

• Multiplication

• Division

Multiple Choice

What multiplication sentence does this array represent?

X X X X X

X X X X X

X X X X X

X X X X X

X X X X X

• 5 x 4 = 20

• 5 + 5 = 10

• 5 x 5 = 25

Multiple Choice

What array is this?

• 5 X 6 = 30

• 6 X 4 = 24

• 5 X 4 = 20

Multiple Choice

What array is this?

• 2 X 5 = 10

• 3 X 3 = 9

• 2 X 4 = 8

Multiple Choice

Which equation can be modeled with the following array?

• 3 x 12 = 4

• 4 x 12 = 3

• 4 x 3 = 12

Open Ended

Can you find arrays in the classroom?  List them below.

Multiple Choice

Select the equation that matches the array.

• 3 + 3 = 6

• 3 x 3 = 9

• 3 x 9 = 27

Multiple Choice

Select the correct number model with the rectangular array

• 4 + 4 + 4 + 4 + 4 = 20

• 4 x 4 = 16

• 16 x 1 = 16

Now it's time to build some arrays!​