Approximation (A) WORKSHEET
Suitable for Year groups: Year 7, Year 8
GCSE Tier: Foundation
Targeting grades: 1-3
Prerequisite knowledge: Rounding to significant figures, four operations, powers and roots.
Learning Objective: use approximation through rounding to estimate answers
Approximation (A) WORKSHEET DESCRIPTION
This worksheet focuses not only on rounding but also choosing suitable values for estimating answers to calculations.
Section A asks learners to complete a large table where they must choose suitable values to approximate the answer to a calculation and find the answer. Learners must be aware that sometimes rounding to 1 significant figure is not always the best method when estimating some calculations.
Section B then provides six-worded problems involving estimation.
All worksheets are created by the team of experienced teachers at Cazoom Maths.
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use approximation through rounding to estimate answers