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Finding Area by Counting Unit Squares | Math with Mr. J

From Math with Mr. J

Finding Area by Counting Unit Squares | Math with Mr. J
9 min3rd4thMath
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Summary

How to find the area of rectangles -- counting square units or multiplying length by width. Mr. J connects area to multiplication.

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All ages

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Teaching resources

Discussion questions

Area is the number of unit squares that cover a flat shape; for a rectangle it's length times width.

  1. What does area measure?
  2. Why is area given in square units?
  3. How does multiplication give the area of a rectangle?

Quick work-a-long

Words to know: area, square units, length, width

  • Find the area of a 6-by-4 rectangle.
  • Draw a rectangle with an area of 12 square units.
Finding Area by Counting Unit Squares | Math with Mr. J — TV on a Rolling Cart