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

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

Front

What does repeated addition mean?

Back

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

Front

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

Back

3 rows x 4 columns = 12 items.

Front

What is the repeated addition for an array with 5 rows of 2?

Back

2 + 2 + 2 + 2 + 2 = 10.

Front

How many rows are in an array with 6 items in total and 2 items in each row?

Back

There are 3 rows.

Front

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

Back

3 + 3 + 3 + 3 = 12.

Front

If an array has 4 rows and 5 columns, what is the total number of items?

Back

4 rows x 5 columns = 20 items.

Front

What does it mean if an array is rectangular?

Back

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

Front

How can you represent an array with addition?

Back

You can write a repeated addition sentence that shows the total.