Arrays

Front

What is an array?

Back

An array is a collection of items arranged in rows and columns.

Tags

CCSS.3.OA.A.1

Front

Which direction do columns go in an array?

Back

Columns go up and down.

Tags

CCSS.3.OA.A.1

Front

Which direction do rows go in an array?

Back

Rows go across.

Tags

CCSS.2.OA.C.4

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 the equation 5 x 3 represent in an array?

Back

It represents an array with 5 rows and 3 columns, totaling 15 items.

Tags

CCSS.3.OA.A.1

Front

If an array has 4 rows and 5 columns, how many items are there?

Back

There are 20 items (4 x 5 = 20).

Tags

CCSS.3.OA.A.1

Front

What is the multiplication expression for an array with 5 rows and 4 columns?

Back

5 x 4 = 20.

Tags

CCSS.3.OA.A.1

Front

What is the difference between rows and columns in an array?

Back

Rows are horizontal lines, while columns are vertical lines.

Tags

CCSS.3.OA.A.1

Front

How many rows are in an array with 7 items arranged in 1 column?

Back

There is 1 row.

Tags

CCSS.2.OA.C.4

Front

If an array has 3 columns and 5 rows, what is the total number of items?

Back

The total is 15 items (3 x 5 = 15).

Tags

CCSS.3.OA.A.1