Rows, columns, and arrays (2nd grade)

Is this an array?

• yes

• no

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

Is this an array?

• yes

• no

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

____ go across from side to side.

• a) rows

• b) columns

Tags

CCSS.5.G.A.1

____ go up and down from top to bottom.

• a) rows

• b) columns

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

How many rows does this array have?

Tags

CCSS.2.G.A.2

How many columns does this array have?

• 2

• 3

• 4

• 5

Tags

CCSS.2.MD.D.9

Which repeated addition equation would match this array?

• 1+1+1+1+1+1 = 6

• 2+2+2+2+2+2 = 12

• 8+4 = 12

Tags

CCSS.2.OA.C.4

Which repeated addition equation would match this array?

• 2+2+2+2+2 = 10

• 10+5 = 15

• 3+3+3+3+3 = 15

Tags

CCSS.5.G.A.2

Write a repeated addition equation .

Tags

CCSS.3.MD.A.2

Write a repeated addition equation.

Tags

CCSS.5.G.A.2