Multiplication with Arrays

What are the ingredients for making an array?

• Rows and columns
• Even rows and even columns
• Odd rows and odd columns
• Even rows and odd columns

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CCSS.3.OA.A.3

Select the correct number model with the rectangular array

• 4 x 4 = 16
• 4 + 4 = 8
• 4 + 4 + 4 = 12
• 4 x 4 x 4 x 4 = 256

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CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

CCSS.3.OA.A.3

CCSS.3.OA.C.7

Select the correct number model with the rectangular array

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

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CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

CCSS.3.OA.A.1

CCSS.3.OA.A.3

Select the equation that matches the array.

• 3 + 4 + 3 = 10
• 3 x 4 = 12
• 4 x 4 = 12
• 3 x 3 = 9

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CCSS.3.OA.A.1

CCSS.3.OA.A.3

Select the equation that matches the array.

• 3 + 3 = 6
• 9 + 0 = 9
• 3 x 9 = 27
• 3 x 3 = 9

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CCSS.3.OA.A.1

CCSS.3.OA.A.3

Select the correct number model with the rectangular array

• 4 + 4 + 4 + 4 = 16
• 4 x 4 = 16
• 16 + 0 = 16
• 16 x 1 = 16

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CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

Select the correct number model with the rectangular array

• 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 = 48
• 9  x 6 = 48
• 6 x 6 = 36
• 1 x 48 = 48

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CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

Using the distributive property select the correct expression for the array.

• (3 x 300) + (3 x 40) + (3 x 2)
• (3x 3000) + (3 x 40) + (3 x 2)
• (3 x 3) (3 x 4) (3 x 2)
• 3 x 300) (3 x 4) (3 x 2)

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CCSS.3.OA.B.5

Using the distributive property select the correct expression for the array.

• (6 x 60) x (6 x 3)
• (6 + 6) + (6 x 3)
• (6 x 60) + (6 x 3)
• (6 + 60) x (6 + 3)

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CCSS.3.OA.A.3

CCSS.3.OA.B.5

Use the expanded form array to select the correct expression.

• 2 x 2,8109
• 2 x 2,80019
• 2 + 2,819
• 2 x 2,819

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CCSS.2.NBT.A.1

CCSS.2.NBT.A.3