Use repeated addition for area

~9 min

Find area by adding the squares in each equal row.

Adding Equal Rows

4 items
4 items
4 items

3 x 4

To find the total area of a rectangle, you can count the number of squares in each row and add them together. Since every row has the same number of squares, this is called repeated addition.

💡 Look at the rows of the array to know which number to add over and over.