Grade 5 math · L.1 · Rectangles: Area and Perimeter
Area and perimeter of rectangles
Write the unit with every answer: cm² for area, cm for perimeter.
See worked examples
A rectangle is 10 cm by 15 cm. Find its area and perimeter.
Answer: Area: 150 cm²; Perimeter: 50 cm
A rectangle is 2 cm by 5 cm. Find its area and perimeter.
Answer: Area: 10 cm²; Perimeter: 14 cm
A rectangle is 7 cm by 8 cm. Find its area and perimeter.
Answer: Area: 56 cm²; Perimeter: 30 cm
Tip: Write the unit with every answer: cm² for area, cm for perimeter.
Curriculum
Common Core: 4.MD.A.3, 3.MD.D.8
On paper: this skill is in the printable pack Grade 5 Common Core Math: Geometry and Measurement, with an answer key.
Practise without limits
Members practise as much as they like, every day, and get the printable packs and lessons too.