Grade 3 · Math
Find rectangle perimeter practice
Add all four rectangle side lengths to find distance around it.
Opening your practice adventure…
Try a sample
A rectangle is 12 cm long and 4 cm wide. What is its perimeter in centimeters?
- 33
- 34
- 32
- 35
See the answer & why
32
Perimeter = 2 × (length + width) = 2 × (12 + 4) = 32 centimeters.
A little hint: Add all four side lengths.
A teaching tip
A rectangle has two lengths and two widths.