Arrays

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 does a 2 x 4 array mean?

Back

A 2 x 4 array has 2 rows and 4 columns.

Tags

CCSS.3.OA.A.1

Front

What does a 4 x 2 array mean?

Back

A 4 x 2 array has 4 rows and 2 columns.

Tags

CCSS.3.OA.A.1

Front

Do a 2 x 4 array and a 4 x 2 array have the same area?

Back

Yes, both have an area of 8.

Tags

CCSS.3.OA.A.1

Front

How do you find the area of an array?

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What is the multiplication sentence for a 3 x 5 array?

Back

3 x 5 = 15.

Tags

CCSS.3.OA.A.1

Front

What moves up and down in an array?

Back

Columns move up and down.

Front

What moves side to side in an array?

Back

Rows move side to side.

Tags

CCSS.2.OA.C.4

Front

If there are 4 rows of 3 apples, how many apples are there in total?

Back

4 x 3 = 12 apples.

Tags

CCSS.2.OA.C.3

Front

What is the total number of squares in a 4 x 4 array?

Back

4 x 4 = 16 squares.

Tags

CCSS.3.OA.A.1