Estimating Answers

Ages 14-16

Understand the importance of estimating answers in mathematics and real-life scenarios and develop strategies for using rounding to estimate answers to calculations.

Description

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

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

National Curriculum Objectives

Key Stage 3: Number (R)

Use approximation through rounding to estimate answers and calculate possible resulting errors expressed using inequality notation a<x≤b

Target Ages

What's Included

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

Connected Resources

Rationalising Surd

Writing Standard form as Ordinary Numbers

Writing Numbers in Standard Form

Indices

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Access for multiple users
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Progress tracking for all users

Estimating Answers

Ages 14-16