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CodeSignal

Perimeter and Circumference

via CodeSignal

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Overview

You’ll learn how to calculate the perimeter of common two-dimensional shapes and the circumference of circles using whole numbers and decimals. By the end, you’ll be able to determine total boundary lengths in practical situations like fencing, framing, edging, and measuring around circular objects.

Syllabus

  • Unit 1: Calculate Perimeter of Common Shapes
    • Complete The Perimeter Statements
    • Explore Changing Side Lengths
    • Calculate Perimeter with Whole Numbers
    • Find the Perimeter with Decimal Side Lengths
    • Frame Around a Square Photo
  • Unit 2: Add Side Lengths Strategically
    • Identify All Boundary Sides
    • Build a Triangle From Boundary Segments
    • Add Up The Triangle Sides
    • Sum Side Lengths Into a Perimeter
    • Explain The Perimeter Mistake
  • Unit 3: Measure Distance Around Circles
    • Investigate Circumference Dynamically
    • Track the Circumference Steps
    • Compute The Circumference
    • Compare Circle Circumference
    • Measure Around a Patio
  • Unit 4: Solve Real Boundary-Length Problems
    • Choose the Correct Boundary Length Method
    • Match Boundary Scenarios And Formulas
    • Spot the Wrong Measurement
    • Edge a Triangular Patio Section
    • Wrap a Circular Stage

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