Understanding Arrays

In an array, what goes side to side?

• rows

• columns

Tags

CCSS.3.OA.A.1

In an array, what goes up and down?

• rows

• columns

Tags

CCSS.3.OA.A.1

How many rows are in this array?

• 3

• 4

• 12

• 9

Tags

CCSS.1.NBT.A.1

Choose the correct repeated addition sentence.

• 3 + 3 + 3 + 3 = 12

• 4 + 4 + 4 + 4 = 16

• 5 + 5 + 5 + 5 = 20

• 4 + 4 + 4 = 12

Tags

CCSS.2.OA.C.4

What is the repeated addition sentence?

• 4 + 4 + 4 = 12

• 3 + 3 + 3 = 12

• 4 + 4 + 4 + 4 = 12

• 3 + 3 + 3 + 3 = 9

Tags

CCSS.2.OA.C.4

What repeated addition goes along with this array? 

• 5+5+5+5+5+5+5+5
• 5+5+5+5
• 4+4+4+4+4+4+4
• 4+4+4

Tags

CCSS.2.OA.C.4

What array is this?

• 5 + 5 + 5 + 5 = 20

• 5 + 4 = 9

• 4 + 4 + 4 = 20

• 4 + 5 = 9

Tags

CCSS.2.OA.C.4

• 2+2+2=6
• 2+2+2+2=8
• 4+2=6
• 2+2=4

Tags

CCSS.2.OA.C.4

How many columns does this rectangle have?

• 4

• 5

• 2

• 20

Tags

CCSS.3.G.A.2

How many rows does this rectangle have?

• 4

• 3

• 2

• 1

Tags

CCSS.3.G.A.2