Use a combination of tiling a rectangle to find area and find the greatest common factor of the lengths of two sides and the area they create. Pupils increase and decrease the sides of the rectangle before answer five questions about what they discover and continue to discover as they work with the resource.

Concepts

greatest common factor, making lists, tiling, area, area of rectangles

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Additional Tags

math

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Instructional Ideas

• Use the extension link as an instructional tool for the interactive
• Assign the link to Google Classroom to keep track of individuals' progress

Classroom Considerations

• Requires that all users have a free CK-12 account
• Ensure the browser window is expanded wide enough for the interactive to work
• Assumes pupils can use tiling to find the area of a rectangle

Pros

• Learners can manipulate the interactive as they work through each problem
• Uses a combination of multiple choice and short answer questions
• Allows users to see the correct answer if they choose the wrong one

Cons

• None

Common Core

6.NS.B.4