Approximations iGCSE REVISION WORKSHEET
About This Worksheet
This iGCSE revision worksheet covers Approximations, aligned to Cambridge iGCSE (0580) syllabus codes C1.5, C1.6 and Edexcel iGCSE (4MA1) codes 1.9, 1.1. Answers and worked solutions are included.
With this resource, your students will round numbers in calculations to one significant figure or another appropriate degree of accuracy to estimate the answer to the calculation. The questions increase in difficulty, starting with learners choosing calculations they could easily do in their head to estimate and culminating in choosing to round to a square number to estimate a square root in a multi-step calculation.
All worksheets are created by the team of experienced teachers at Cazoom Maths.
iGCSE Syllabus Alignment
Cambridge iGCSE Maths (0580)
Edexcel iGCSE Maths (4MA1)
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
NumberUnderstand and use integers (positive, negative and zero). Understand place value. Use directed numbers in practical situations. Order integers. Use the four rules of addition, subtraction, multiplication and division. Use brackets and the hierarchy of operations. Use the terms odd, even, prime numbers, factors and multiples
Number
