Arrays and Repeated Addition

Front

What is an array?

Back

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

Front

What does repeated addition mean?

Back

Repeated addition means adding the same number several times, like 3 + 3 + 3.

Front

How do you find the total in repeated addition?

Back

You can find the total by adding all the numbers together.

Front

What is the repeated addition for 4 rows of 3?

Back

3 + 3 + 3 + 3 = 12.

Front

What is the repeated addition for 5 columns of 2?

Back

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

Front

What direction do rows go in an array?

Back

Rows go across.

Front

What direction do columns go in an array?

Back

Columns go up and down.

Front

What is a row in an array?

Back

A row is a horizontal line of objects or numbers.

Front

What is a column in an array?

Back

A column is a vertical line of objects or numbers.

Front

If you have 3 columns of 4, what is the repeated addition?

Back

4 + 4 + 4 = 12.