Skip to content

K–12 course Available practice SAT practice Sign in Admin

grade 3 · MG-021

Find rectangle perimeter

Add every outside side length without confusing perimeter with area.

← Learning map

Learn together Try with a hint Show what I know

Try with a hintFresh problem · seed 441905983

A rectangle is 8 units long and 7 units wide. What is its perimeter?

Give me one hint

Trace only the outside boundary, not the inside.

Your answer

It is always okay to go back to more help.

Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.