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Word problemsArithmeticMiddle schoolabout 0:44

What is the perimeter of a rectangle with length 8 and width 5?: animated lesson

A narrated, step-by-step word problems video lesson with captions. Final answer: Area = 40 square units; perimeter = 26 units.

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Video with a synthetic English voice and captions. Pick another language for subtitles in that language, or open the interactive version.

Video narrated by a synthetic voice (Piper TTS, en_US-ljspeech-high voice (LJ Speech dataset, public domain)); the steps come from our maths engine and the answer was checked independently. Download MP4 (0.3 MB) · Captions (WebVTT)

Steps on screen

1. The problem
Worked example
What is the perimeter of a rectangle with length 8 and width 5?
2. Step by step
1. Read the problem
2. Area
3. Perimeter
3. The answer
$\text{Area = 40 square units; perimeter = 26 units}$
Area = 40 square units; perimeter = 26 units
4. Check
- 40/5 = 8 ✓

Transcript

The problem. Here is the problem: What is the perimeter of a rectangle with length 8 and width 5? Rectangle with length 8 and width 5.

Step by step. Read the problem. L equals 8, W equals 5. Area. A equals L times W equals 8 times 5 equals 40. Perimeter. P equals 2L plus 2W equals 16 plus 10 equals 26.

The answer. So the answer is Area equals 40 square units; perimeter equals 26 units. Area counts square units inside the shape; perimeter is the distance around it.

Check. 40 over 5 equals 8, which checks out.

About word problems

Turn everyday situations about prices, speed, ages and interest into equations and solve them.

What is the perimeter of a rectangle with length 8 and…