Arrays

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

Multiply the number of rows by the number of columns.

Front

What does each row in an array represent?

Back

Each row represents a group of items that are arranged horizontally.

Front

What does each column in an array represent?

Back

Each column represents a group of items that are arranged vertically.

Front

If an array has 3 rows and 4 columns, how many items are there in total?

Back

12 items (3 rows x 4 columns = 12).

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, like 4 + 4 + 4 = 12.

Front

How can you represent an array with a multiplication sentence?

Back

You can use multiplication to show the total, like 3 rows of 4 is 3 x 4 = 12.

Front

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

Back

Rows go across (horizontally) and columns go up and down (vertically).

Front

If there are 5 columns in an array, how many items can be in each column?

Back

It depends on the number of rows; each column can have the same or different number of items.

Front

What is a rectangular array?

Back

A rectangular array has rows and columns that form a rectangle.