Day 31: Arrays & Repeated Addition

Select the correct number model with the rectangular array

• 4+4+4+4=16

• 2+2+2+2=8

• 2+2=4

• 4+3=8

Select the correct number model with the rectangular array

• 4+4+4+4=16
• 2+2+2+2=8
• 5+5+5+5=20
• 3+3+3+3=12

Tags

CCSS.2.OA.C.4

Select the correct number model with the rectangular array

• 2+2+2+2=8
• 3+3+3+3+3=15
• 5+5+5+5+5=25
• 4+4+4+4+4=20

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

Draw the array on a separate sheet of paper. Select the correct number model from the options below.

• 6+6+6+6+6+6=36
• 4+4+4=12
• 4+4+4+4+4+4=24
• 6+6+6+6=24

Tags

CCSS.2.OA.A.1

CCSS.2.OA.C.4

Which one goes up and down?

• columns
• rows

Tags

CCSS.2.G.A.2

Which one goes across ?

• columns
• rows

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

How many rows are in this array?

• 7

• 28

• 1

• 4

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

There are:

• 4 rows of 4
• 3 rows of 4
• 3 rows of 5
• 4 rows of 3

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

How many columns are in this array?

• 8

• 2

• 4

• 1

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

What is the repeated addition sentence for these ROWS?

• 3 + 4 = 7

• 3 + 3 + 3 + 3 = 12

• 4 + 4 + 4 = 12

• 8 + 4 = 12

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4