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Activity

University of Cambridge: Nrich: The Magic Number and the Hepta Tree

Curated by ACT

Use your calculator to help you solve this challenge at this one page website. You can check your solution with only one click of the mouse.

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CCSS: Adaptable
Concepts
decimals, multiplying decimals, problem solving strategies
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Additional Tags
calculators, calculators and problem solving, converting percentages to decimals, multiplying percentages, percentage of problems, percentages, problem solving methods, problem solving skills, turning percentages into decimals, use calculator, nrich, problem solving, using a calculator
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
Common Core
3.OA.D.8 7.EE.B.3 4.OA.A.3