Lemmara logoLemmaraWorked solution

0580/13 May/Jun 2024, Question 4: Rounding

Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 3 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Round three given numbers to specified degrees of accuracy: nearest thousand, one decimal place, and two significant figures.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Round 164 703 to the nearest thousand.

  1. 1164 703 is between 164 000 and 165 000 and 703 ≥ 500
  2. 2≈ 165 000

Answer165 000

Part (b) · 1 mark

Round 16.983 to 1 decimal place.

  1. 116.983: the digit after 9 is 8, so round up
  2. 2≈ 17.0

Answer17.0

Part (c) · 1 mark

Round 0.037 665 to 2 significant figures.

  1. 10.037 665: first two significant figures 3 and 7, next digit 6 rounds up
  2. 2≈ 0.038

Answer0.038

Stuck on a step? Read the free lesson: Rounding

Practise more rounding questions

Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on rounding

Also searched as: 0580/13/M/J/24 · 0580_s24_qp_13 · 0580 s24 13 · question 4.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.