Arrays/Repeated Addition

Front

What is an array?

Back

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

Front

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

Back

You can find the total by multiplying the number of rows by the number of columns.

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 2 + 2 + 2 = 6.

Front

How many columns are in this array?

Back

Columns go up and down.

Front

What does each row in an array represent?

Back

Each row represents a group of items.

Front

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

Back

4 rows x 5 columns = 20 items.

Front

What is the repeated addition for an array with 3 rows of 4?

Back

4 + 4 + 4 = 12.

Front

What is a column in an array?

Back

A column is a vertical line of items.

Front

What is a row in an array?

Back

A row is a horizontal line of items.

Front

If you have 5 rows of 2, what is the total?

Back

5 rows x 2 = 10.