Use repeated addition for area
3rd Grade Math practice: A rectangle has 3 rows of 5 square units. What repeated addition shows its area. Part of area and perimeter (Area and perimeter).
~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.