Rows, columns, and arrays (2nd grade)

Front

____ go up and down from top to bottom.

Back

b) columns

Front

____ go across from side to side.

Back

a) rows

Front

How many columns does this array have?

Back

5

Tags

CCSS.2.OA.C.4

Front

How many rows does this array have?

Back

3

Tags

CCSS.2.OA.C.4

Front

Is this an array?

Back

no

Tags

CCSS.3.OA.A.1

Front

What is a row in an array?

Back

A row is a horizontal line of items.

Tags

CCSS.2.OA.C.4

Front

What is a column in an array?

Back

A column is a vertical line of items.

Tags

CCSS.3.OA.A.1

Front

What do we call a group of rows and columns?

Back

An array.

Tags

CCSS.3.OA.A.1

Front

If there are 3 rows and 4 columns, how many total items are there?

Back

12 items.

Tags

CCSS.1.NBT.A.1

Front

What shape does an array make?

Back

A rectangle or square.

Tags

CCSS.3.OA.A.1