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Estimating Answers

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estimating answers
Description

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

  1. understand the importance of estimation in mathematics and real-life scenarios;
  2. develop strategies for estimating answers to calculations;
  3. use estimation to check the reasonableness of answers and identify errors.

Key Stage 3: Number (R)

  • Use approximation through rounding to estimate answers and calculate possible resulting errors expressed using inequality notation a<x≤b
  • Age: 15-16
  • England & Wales: Year 11
  • Scotland: Senior 4
  • Rep. Ireland: Transition Year
  • Australia: Grade 10
  • USA: Grade 10
  • 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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