Arrays Practice 2.OA.4

Front

What is an array?

Back

An array is a way to organize objects or numbers in rows and columns.

Tags

CCSS.3.OA.A.1

Front

What do we call the horizontal lines in an array?

Back

Rows

Tags

CCSS.2.OA.C.4

Front

What do we call the vertical lines in an array?

Back

Columns

Tags

CCSS.2.OA.C.4

Front

How do you determine if a number is even?

Back

A number is even if it can be divided by 2 without a remainder.

Tags

CCSS.2.OA.C.3

Front

How do you determine if a number is odd?

Back

A number is odd if it cannot be divided by 2 evenly.

Tags

CCSS.2.OA.C.3

Front

What direction do rows go in an array?

Back

Rows go across.

Tags

CCSS.2.OA.C.4

Front

What direction do columns go in an array?

Back

Columns go up and down.

Tags

CCSS.3.OA.A.1

Front

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

Back

There are 12 items (4 rows x 3 columns = 12).

Tags

CCSS.3.OA.A.1

Front

What is the first row in an array?

Back

The first row is the top horizontal line of items.

Tags

CCSS.3.OA.A.1

Front

What is the first column in an array?

Back

The first column is the left vertical line of items.

Tags

CCSS.3.OA.A.1