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 in an array?

Back

Count the number of rows and multiply by the number of columns.

Front

What is a row in an array?

Back

A row is a horizontal line of objects.

Front

What is a column in an array?

Back

A column is a vertical line of objects.

Front

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

Back

12 (3 rows x 4 objects each = 12 objects).

Front

What does it mean to 'arrange in rows'?

Back

To place objects side by side horizontally.

Front

What does it mean to 'arrange in columns'?

Back

To place objects one on top of the other vertically.

Front

How many rows are in an array with 2 rows of 5?

Back

2 rows.

Front

How many columns are in an array with 4 rows of 3?

Back

3 columns.

Front

What addition sentence matches 3 rows of 4?

Back

4 + 4 + 4 = 12.