Perimeter of Rectangles (Set 2)
A free printable perimeter of rectangles (set 2) worksheet with an answer key. Add up all four sides to find the perimeter. Perfect for 3rd grade practice at home or in class.
- Size
- US Letter (8.5 × 11 in), fits A4
- 2 pages: the worksheet and its answer key
- Level
- Grade 3
- License
- Free for personal & classroom use
About this worksheet
A free printable perimeter of rectangles (set 2) worksheet with an answer key. Add up all four sides to find the perimeter. It is aimed at third grade, around ages 8 to 9. Guess first, then measure: kids get better at estimating with every try.
Answer key at a glance
1) 10 cm 8 cm Perimeter = 36 cm; 2) 11 cm 5 cm Perimeter = 32 cm; 3) 8 cm 7 cm Perimeter = 30 cm; 4) 9 cm 8 cm Perimeter = 34 cm; 5) 11 cm 6 cm Perimeter = 34 cm; 6) 7 cm 4 cm Perimeter = 22 cm.
Tips for using it
- Line the object up with the 0 on the ruler, not with the end of the ruler.
- Measure a few things at home too, like a spoon, a shoe or a toy car.
- Perimeter: add all the sides. For a rectangle, double the length plus the width.
- Area: multiply length by width and write 'square' units.
Printing tips
Download the PDF and print at 100% (or “fit to page” on A4). Page 1 is the worksheet and page 2 is the answer key with the answers in red; print just page 1 if you want to keep the answers for checking. The PNG shows page 1 only. Free for personal, family and classroom use.
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