Arrays

Front

What is an array?

Back

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

Front

Which goes across (horizontal)?

Back

Rows.

Front

Which goes up and down (vertical)?

Back

Columns.

Front

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

Back

Multiply the number of rows by the number of columns.

Front

What does repeated addition mean?

Back

Adding the same number multiple times, like 3 + 3 + 3.

Front

What is the repeated addition sentence for 5 rows of 3?

Back

5 + 5 + 5 = 15.

Front

How many columns are in an array with 2 columns?

Back

2 columns.

Front

If there are 4 rows and 2 columns, how many total items are there?

Back

8 items.

Front

What is a row in an array?

Back

A row is a horizontal line of items.

Front

What is a column in an array?

Back

A column is a vertical line of items.