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Regular and Irregular Polygons

In this lesson, learners will learn how to divide numbers mentally, drawing upon known facts; use the formal written method of short division to divide numbers up to 4 digits by a one-digit number; and interpret remainders appropriately for the context.
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regular and irregular polygons
Description

By the end of this unit, children will be able to:

  1. Understand the definitions of polygons, regular polygons, and irregular polygons.
  2. Identify and classify polygons as regular or irregular based on their sides and angles.
  3. Recognize the characteristics and properties that distinguish regular and irregular polygons.
  4. Apply the concept of regular and irregular polygons to solve real-life and mathematical problems.

Year 5 Geometry: Properties of shapes

  • Distinguish between regular and irregular polygons based on reasoning about equal sides and angles.
  • Age: 9-11
  • England & Wales: Year 5-6
  • Scotland: Primary 5-6
  • Rep. Ireland: Fourth-Fifth Class
  • Australia: Grade 4-5
  • USA: Grade 4-5
  • Three-part Lesson
  • Self-marking Activities
  • Fluency, Reasoning and Problem-solving Questions.
  • Engaging Drag and Drop Activities
  • Interactive Self-marking Worksheet
  • Printable Worksheets to Consolidate Learning

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