Approximations (B) iGCSE REVISION WORKSHEET

Cambridge iGCSE (0580): C1.5

Edexcel iGCSE (4MA1): 1.9

Number of Questions: 13

Estimated time to complete: 15-30 minutes

About This Worksheet

This iGCSE revision worksheet covers Approximations (B), aligned to Cambridge iGCSE (0580) syllabus code C1.5 and Edexcel iGCSE (4MA1) code 1.9. Answers and worked solutions are included.

Within this set of exam style questions students will round numbers within calculations to one significant figure or a suitable alternative to estimate and approximate the answers to these calculations. Learners will also evaluate whether their approximations are an over or underestimate. Questions include approximating area and other real life scenarios.

All worksheets are created by the team of experienced teachers at Cazoom Maths.

Approximations GCSE Maths Revision Scaled

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iGCSE Syllabus Alignment

Cambridge iGCSE Maths (0580)

C1.5Core

Make estimates of numbers, quantities and lengths, give approximations to specified numbers of significant figures and decimal places, round off answers to reasonable accuracy

Number

Edexcel iGCSE Maths (4MA1)

1.9All tiers

Round integers to a given power of 10. Round to a given number of significant figures or decimal places. Identify upper and lower bounds where values are given to a degree of accuracy. Use estimation to evaluate approximations to numerical calculations

Number