Constructing Arrays

What is an array?

• An equal group of rows and columns

• An equal group of rows

• An equal group of columns

What is this equation 2+2+2+2=8 an example of?

• An array

• A column

• A math problem

• A Repeated Addition Equation

Looking at the picture above, how many red dots are in each row?

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Please solve this math problem: 5+5+5+5+5=?

Describe a row.

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What is a repeated addition equation?

• It is multiplication.

• It is adding equal groups together.

• It means to add a number over and over.

• All of the above

There are 5 groups of chickens. Each group has 3 chickens. How many chickens are there in all?

• 10

• 15

• 30

• 5

Select the equation that matches the array.

• 3+3+3+3=12

• 4+4+4+4=16

• 1+1+1=3

Rows go in which direction?

• Across

• Down

• Up

• Sideways

In what direction do columns go?

• Across

• Up and Down

• In a circle

• Diagonal