Arrays

Front

What is an array?

Back

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

Tags

CCSS.3.OA.A.1

Front

How do you find the total number of items in an array?

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

What does '3 x 4' mean in an array?

Back

It means there are 3 rows and 4 columns, totaling 12 items.

Tags

CCSS.3.OA.A.1

Front

In an array, which way do the rows go?

Back

Rows go across, from left to right.

Tags

CCSS.2.OA.C.4

Front

In an array, which way do the columns go?

Back

Columns go up and down, from top to bottom.

Tags

CCSS.2.OA.C.4

Front

If an array has 5 rows and 2 columns, how many items are there?

Back

There are 10 items (5 x 2 = 10).

Tags

CCSS.3.OA.A.1

Front

What is the name of an array with 4 rows and 5 columns?

Back

The name is '4 x 5'.

Tags

CCSS.3.OA.A.1

Front

If you see '2 x 3', how many items are in the array?

Back

There are 6 items (2 rows and 3 columns).

Tags

CCSS.3.OA.A.1

Front

What is the total number of items in a '3 x 3' array?

Back

There are 9 items (3 rows and 3 columns).

Tags

CCSS.3.OA.A.1

Front

What does '4 x 4' represent in an array?

Back

It represents an array with 4 rows and 4 columns, totaling 16 items.

Tags

CCSS.3.OA.A.1