Math Arrays

Front

What is an array?

Back

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

Front

How do you count the total number of items in an array?

Back

You can count the number of rows and multiply it by the number of items in each row.

Front

What does 'rows' mean in an array?

Back

Rows are horizontal lines of items.

Front

What does 'columns' mean in an array?

Back

Columns are vertical lines of items.

Front

If there are 3 rows of 4, how many total items are there?

Back

3 rows x 4 items = 12 items.

Front

What addition sentence matches 2 rows of 5?

Back

5 + 5 = 10.

Front

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

Back

4 rows x 3 columns = 12 items.

Front

What is the difference between rows and columns?

Back

Rows go side to side, while columns go up and down.

Front

How can you represent the number 18 using an array?

Back

You can use 3 rows of 6 or 2 rows of 9.

Front

What is the total number of items in 2 rows of 4?

Back

2 rows x 4 items = 8 items.