Arrays

Front

What is an array?

Back

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

Front

What does repeat addition mean?

Back

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

Front

How do you find the total in an array?

Back

You can find the total by counting all the items in the array or by using multiplication.

Front

What is a row in an array?

Back

A row is a horizontal line of items in an array.

Front

What is a column in an array?

Back

A column is a vertical line of items in an array.

Front

If there are 3 rows and 5 columns, how many items are in the array?

Back

3 rows x 5 columns = 15 items.

Front

What is the repeated addition for 4 rows of 2?

Back

2 + 2 + 2 + 2 = 8.

Front

How many groups are in an array with 6 items in each group and 3 groups?

Back

There are 3 groups.

Front

What is the equation for 5 groups of 4?

Back

5 x 4 = 20.

Front

If you have 2 rows of 3 apples, how many apples do you have?

Back

2 x 3 = 6 apples.