Arrays and Repeated Addition

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 = 5 + 5 + 5 + 5

• 5 + 5 = 5 X 5

• 5 x 5 = or 5 + 5 + 5 + 5 + 5

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

Which equation can be modeled with the following array?

• 4 X 3 = 12

  or

  4 + 4 + 4 + 4 =12

• 4 x 12 = 3

  or

  4 + 4 + 3 = 12

• 4 + 3 = 7

  or

  4 X 4 = 7

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

Select the correct number model with the rectangular array

• 4+4+4+4=16

• 2+2+2+2=8

• 2+2=4

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

Select the correct number model with the rectangular array

• 4 + 4 + 4 = 12

• 4 x 4 = 16

• 16 + 0 = 16

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

3 groups of 9 is the same as ____?

• 1 x 3

• 3 x 9

• 9 x 9

Tags

CCSS.2.OA.A.1

CCSS.2.OA.C.4

6 groups of 2 is the same as _____ X ____ ?

• 2 x 6

• 1 x 6

• 6 x 2

Tags

CCSS.2.OA.C.3

CCSS.2.OA.C.4

4 + 4 + 4 is the same as _______?

• 4 x 1

• 4 x 4

• 3 x 4

Tags

CCSS.3.OA.A.3

CCSS.3.OA.C.7

What is the multiplication equation for this array?

• 3 X 2 = 6

• 4 X 3 = 12

• 3 X 3 = 9

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

What is this array in repeat addition?

• 5 + 5 + 5

• 3 + 3 + 3 + 3 + 3

• Both are correct.

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

What is the repeated addition equation?

• 5 + 5 + 5 + 5 = 20

• 5 + 5 + 5 + 5 + 5 = 25

• 10 + 10 = 20

• 5 X 5 = 25

Tags

CCSS.2.NBT.B.5

CCSS.2.OA.C.4