Lemmara logoLemmaraWorked solution

4MA1/2FR Jun 2020, Question 1: Integers

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 6 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Table of six ocean trench depths in metres; answer questions on comparing, place value, writing in words, rounding to nearest hundred, and finding a depth 2864 m greater.

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

Part (a) · 1 mark

Identify which of the six listed trenches is the deepest.

  1. 1Compare the depths: 8047, 4437, 10540, 8594, 8458, 10882
  2. 2The largest depth is 10882 metres
  3. 3This corresponds to the Tonga trench

AnswerTonga

Part (b) · 1 mark

State the value of the digit 5 in the number 8594.

  1. 1In the number 8594, the digit 5 is in the hundreds place
  2. 2So its value is 5 × 100 = 500
  3. 3This is '5 hundred(s)'

Answer5 hundred(s) or 500

Part (c) · 1 mark

Write 4437 in words.

  1. 1Break down 4437: 4000 + 400 + 30 + 7
  2. 2Write each part in words: four thousand, four hundred, thirty, seven
  3. 3Join with commas and 'and' where appropriate
  4. 4Result: four thousand, four hundred and thirty seven

Answerfour thousand, four hundred and thirty seven

Part (d) · 1 mark

Find which table number rounds to 8500 to the nearest hundred.

  1. 1Round each depth to the nearest hundred:
  2. 28047 → 8000
  3. 34437 → 4400
  4. 410540 → 10500
  5. 58594 → 8600
  6. 68458 → 8500
  7. 710882 → 10900
  8. 8Only 8458 rounds to 8500

Answer8458

Part (e) · 2 marks

Calculate the Mariana Trench depth, 2864 m more than Diamantina's 8047 m.

  1. 1Depth of Diamantina Trench is 8047 metres
  2. 2Mariana Trench is 2864 metres deeper
  3. 3Add: 8047 + 2864
  4. 48047 + 2864 = 10911
  5. 5So depth of Mariana Trench is 10911 metres

Answer10911

Stuck on a step? Read the free lesson: Integers

Practise more integers questions

Real 4MA1 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 integers

Also searched as: 4MA1 2FR June 2020 · 4MA1/2FR · 4ma1 jun20 2fr · question 1.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.