Repeated Addition - Arrays

Front

What is an array?

Back

An array is a way to organize objects 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 means adding the same number several times.

Front

If there are 4 rows of 3, how can you write that as a repeated addition sentence?

Back

3 + 3 + 3 + 3 = 12.

Front

How many columns are in an array with 4 rows and 12 total items?

Back

There are 3 columns.

Front

What is the repeated addition sentence for 5 rows of 2?

Back

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

Front

If you have 6 items in each row and 4 rows, how many items do you have in total?

Back

6 x 4 = 24 items.

Front

What happens if you take away one row from an array of 4 rows of 3?

Back

You will have 3 rows of 3 left.

Front

How can you represent 5 rows of 4 using repeated addition?

Back

4 + 4 + 4 + 4 + 4 = 20.

Front

What is the total number of items in an array with 3 rows and 5 columns?

Back

3 x 5 = 15 items.