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Edexcel IGCSE Maths

Topic questions Number Standard form

Standard form

45 questions · 149 marks · about 3 hours

Standard form questions

TopicStandard form

Edexcel 4MA1 Standard form 45 questions

Paper 1F June 2025 Foundation tier, Question 25, also on the Higher paper 4 marks

(a)

Write 520 million in standard form.

[1]
(b)

Write 8.79 × 10–5 as an ordinary number.

[1]
(c)

Work out (5 × 1042) × (7 × 10–180) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 25(c)

Paper 1H June 2025 Higher tier, Question 8, also on the Foundation paper 4 marks

(a)

Write 520 million in standard form.

[1]
(b)

Write 8.79 × 10–5 as an ordinary number.

[1]
(c)

Work out (5 × 1042) × (7 × 10–180) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 8(c)

Paper 1F November 2024 Foundation tier, Question 26 3 marks

(a)

Write 8 4. maths symbol 10maths symbol5 as an ordinary number.

[1]
(b)

Work out maths symbol6 5. maths symbol 10maths symbol40 maths symbol maths symbol maths symbol8 maths symbol 10185 maths symbol Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 26(b)

Paper 1F June 2024 Foundation tier, Question 24, also on the Higher paper 3 marks

Also involves The four operations

The table gives the amount of rice produced by each of two countries in 2020

CountryAmount of rice (tonnes)
Indonesia3.5107
Argentina8.2105
(a)

Write 3.5maths symbol107 as an ordinary number.

In 2020, Japan produced 6 780 000 more tonnes of rice than Argentina.

[1]
(b)

Work out the amount of rice Japan produced in 2020 Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 24(b)

Paper 1H June 2024 Higher tier, Question 9, also on the Foundation paper 3 marks

The table gives the amount of rice produced by each of two countries in 2020

CountryAmount of rice (tonnes)
Indonesia3.5107
Argentina8.2105
(a)

Write 3.5maths symbol107 as an ordinary number.

In 2020, Japan produced 6 780 000 more tonnes of rice than Argentina.

[1]
(b)

Work out the amount of rice Japan produced in 2020 Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 9(b)

Paper 2F June 2024 (R) Foundation tier, Question 25 4 marks

(a)

Write 6.04 × 105 as an ordinary number.

[1]
(b)

Write 0.000 07 in standard form.

[1]
(c)
Question 25, shown as an image

Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 25(c)

Paper 1H November 2023 Higher tier, Question 9 4 marks

(a)

Write 5 87. maths symbol10maths symbol4 as an ordinary number.

[1]
(b)

Write 84 000 000 in standard form.

The number of neurons in a human brain is 8 5. maths symbol1010 The number of neurons in a monkey brain is 1 47. maths symbol109

The number of neurons in a human brain is K × the number of neurons in a monkey brain.

[1]
(c)

Work out the value of K Give your answer correct to one decimal place.

[2]
Reveal mark scheme Mark scheme for question 9(c)

Paper 1F June 2023 (R) Foundation tier, Question 24, also on the Higher paper 3 marks

(a)

Write 5.6 maths symbol 10–3 as an ordinary number.

[1]
Question 24, shown as an image

Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 24(b)

Paper 1H June 2023 (R) Higher tier, Question 8, also on the Foundation paper 3 marks

(a)

Write 5.6 maths symbol 10–3 as an ordinary number.

[1]
Question 8, shown as an image

Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 8(b)

Paper 1H June 2023 Higher tier, Question 15 6 marks

Question 15, shown as an image

Work out the value of n Show your working clearly.

[3]
Reveal mark scheme Mark scheme for question 15(a)
(b)

Find 4% of 4.5 maths symbol 10157 Give your answer in standard form.

[3]
Reveal mark scheme Mark scheme for question 15(b)

Paper 2F June 2023 Foundation tier, Question 22, also on the Higher paper 2 marks

(a)

Write 76 000 000 in standard form.

[1]
(b)

Write 5.4 × 10–4 as an ordinary number.

[1]
Reveal mark scheme Mark scheme for question 22(b)

Paper 2H June 2023 Higher tier, Question 6, also on the Foundation paper 2 marks

(a)

Write 76 000 000 in standard form.

[1]
(b)

Write 5.4 maths symbol 10–4 as an ordinary number.

[1]
Reveal mark scheme Mark scheme for question 6(b)

Paper 1F January 2023 (R) Foundation tier, Question 22, also on the Higher paper 5 marks

(a)

Write 9.32maths symbol10–5as an ordinary number.

[1]
(b)

Work out 3maths symbol105 – 6maths symbol104 Give your answer in standard form.

[2]
(c)

Work out (3maths symbol1055) maths symbol(6maths symbol1065) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 22(c)

Paper 1F January 2023 Foundation tier, Question 24, also on the Higher paper 3 marks

(a)

Write 6.25 maths symbol 10−4 as an ordinary number.

[1]
(b)

Work out (2.4 maths symbol 1012) ÷ (9.6 maths symbol 104) Give your answer in standard form.

[2]

Paper 1H January 2023 (R) Higher tier, Question 7, also on the Foundation paper 5 marks

(a)

Write 9.32maths symbol10–5as an ordinary number.

[1]
(b)

Work out 3maths symbol105 – 6maths symbol104 Give your answer in standard form.

[2]
(c)

Work out (3maths symbol1055) maths symbol(6maths symbol1065) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 7(c)

Paper 1H January 2023 Higher tier, Question 9, also on the Foundation paper 3 marks

(a)

Write 6.25 maths symbol 10−4 as an ordinary number.

[1]
(b)

Work out (2.4 maths symbol 1012) ÷ (9.6 maths symbol 104) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 9(b)

Paper 1F June 2022 Foundation tier, Question 23, also on the Higher paper 2 marks

(a)

Write 0.000 089 in standard form.

[1]
(b)

Write 8.34 maths symbol 104 as an ordinary number.

[1]
Reveal mark scheme Mark scheme for question 23(b)

Paper 1H June 2022 Higher tier, Question 8, also on the Foundation paper 2 marks

(a)

Write 0.000 089 in standard form.

[1]
(b)

Write 8.34 maths symbol 104 as an ordinary number.

[1]
Reveal mark scheme Mark scheme for question 8(b)

Paper 2F June 2022 (R) Foundation tier, Question 26, also on the Higher paper 4 marks

The table gives information about the population, correct to 2 significant figures, of each

Figure for question 26
(a)

Write 8.8×106 as an ordinary number.

[1]
(b)

Which of these cities had the least population in 2018?

[1]
(c)

Work out the difference between the population of Tokyo and the population of Ahmedabad in 2018 Give your answer in standard form correct to 2 significant figures.

[2]
Reveal mark scheme Mark scheme for question 26(c)

Paper 2H June 2022 (R) Higher tier, Question 9, also on the Foundation paper 4 marks

The table gives information about the population, correct to 2 significant figures, of each

Figure for question 9
(a)

Write 8.8×106 as an ordinary number.

[1]
(b)

Which of these cities had the least population in 2018?

[1]
(c)

Work out the difference between the population of Tokyo and the population of Ahmedabad in 2018 Give your answer in standard form correct to 2 significant figures.

[2]
Reveal mark scheme Mark scheme for question 9(c)

Paper 1F January 2022 (R) Foundation tier, Question 22 4 marks

(a)

Write 5 maths symbol 104 as an ordinary number.

[1]
(b)

Write 0.000 06 in standard form.

[1]
(c)

Work out (4 maths symbolmaths symbolmaths symbol ÷ (1.6 maths symbolmaths symbolmaths symbol Give your answer in standard form.

[2]

Paper 1F January 2022 Foundation tier, Question 23, also on the Higher paper 2 marks

Also involves Indices

a = 4.2×10–24
b = 3×10145

Work out the value of amaths symbolb Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 23

Paper 1H January 2022 Higher tier, Question 8, also on the Foundation paper 2 marks

Also involves Indices

a = 4.2×10–24
b = 3×10145

Work out the value of amaths symbolb Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 8

Paper 2H January 2022 (R) Higher tier, Question 10 3 marks

Also involves The four operations · Rounding

The table gives information about the population and the total amount of money, in dollars, spent on healthcare for two countries in 2016

CountryTotal populationTotal spent on healthcare ($)
Austria8.7 1064.2 1010
Luxembourg6.3 1053.7 109

Work out how much more was spent per person on healthcare in Luxembourg than in Austria. Give your answer correct to the nearest whole number.

[3]
Reveal mark scheme Mark scheme for question 10

Paper 2H January 2022 Higher tier, Question 12 3 marks

a = 6 maths symbol 1040

Work out the value of a3 Give your answer in standard form.

[3]
Reveal mark scheme Mark scheme for question 12

Paper 1F January 2021 Foundation tier, Question 22, also on the Higher paper 2 marks

(a)

Write 2 840 000 000 in standard form.

[1]
(b)

Write 2.5maths symbol10–4 as an ordinary number.

[1]

Paper 1H January 2021 Higher tier, Question 6, also on the Foundation paper 2 marks

(a)

Write 2 840 000 000 in standard form.

[1]
(b)

Write 2.5maths symbol10–4 as an ordinary number.

[1]

Paper 2F January 2021 Foundation tier, Question 20 4 marks

(a)

Write down the value of y0

[1]
(b)
Question 20, shown as an image

Give your answer in standard form.

[3]
Reveal mark scheme Mark scheme for question 20(b)

Paper 2H January 2021 (R) Higher tier, Question 8 3 marks

Also involves The four operations

The table gives the length of the coastline, in kilometres, of each of five oceans.

OceanLength of coastline (km)
Arctic4.539104
Atlantic1.119105
Pacific1.357105
Indian6.653104
Southern1.797104
(a)

Which ocean has the greatest length of coastline?

[1]
(b)

Calculate the difference between the length of the Atlantic Ocean’s coastline and the length of the Southern Ocean’s coastline. Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 8(b)

Paper 1F November 2020 Foundation tier, Question 18, also on the Higher paper 4 marks

(a)

Write 5.7maths symbol10–3 as an ordinary number.

[1]
(b)

Write 800 000 in standard form.

[1]
Question 18, shown as an image
[2]

Paper 1H November 2020 Higher tier, Question 5, also on the Foundation paper 4 marks

(a)

Write 5.7maths symbol10–3 as an ordinary number.

[1]
(b)

Write 800 000 in standard form.

[1]
Question 5, shown as an image
[2]
Reveal mark scheme Mark scheme for question 5(c)

Paper 2F November 2020 (R) Foundation tier, Question 16 4 marks

(a)

Write 2.46×106 as an ordinary number.

[1]
(b)

Write 0.000 74 in standard form.

[1]
(c)

Work out (5.6×106) + (2.3maths symbol105)

[2]
Reveal mark scheme Mark scheme for question 16(c)

Paper 1F January 2020 Foundation tier, Question 20, also on the Higher paper 3 marks

Also involves Using a calculator

(a)

Write 7.8×10−4 as an ordinary number.

[1]
Question 20, shown as an image

Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 20(b)

Paper 1H January 2020 Higher tier, Question 6, also on the Foundation paper 3 marks

Also involves Using a calculator

(a)

Write 7.8×10−4 as an ordinary number.

[1]
Question 6, shown as an image

Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 6(b)

Paper 2F January 2020 (R) Foundation tier, Question 24 4 marks

Also involves Place value and ordering numbers · The four operations

The table shows information about the surface area of each of the world’s oceans.

OceanSurface area in square kilometres
Pacific1.56108
Indian6.86107
Southern2.03107
Arctic1.41107
Atlantic1.06108
(a)

Write 1.56maths symbol108 as an ordinary number.

[1]
(b)

Which ocean has the least surface area?

[1]
(c)

Work out the difference, in square kilometres, between the surface area of the Atlantic Ocean and the surface area of the Indian Ocean. Give your answer in standard form.

........ square kilometres

[2]
Reveal mark scheme Mark scheme for question 24(c)

Paper 2H January 2020 (R) Higher tier, Question 10 3 marks

Also involves Using a calculator

The table shows information about the surface area of each of the world’s oceans.

OceanSurface area in square kilometres
Pacific1.56108
Indian6.86107
Southern2.03107
Arctic1.41107
Atlantic1.06108
(a)

Work out the difference, in square kilometres, between the surface area of the Atlantic Ocean and the surface area of the Indian Ocean. Give your answer in standard form.

Question 10, shown as an image
[2]
Reveal mark scheme Mark scheme for question 10(a)
(b)

The surface area of the Pacific Ocean is k times the surface area of the Arctic Ocean.

Work out the value of k. Give your answer correct to the nearest whole number.

[1]
Reveal mark scheme Mark scheme for question 10(b)

Paper 1F June 2019 Foundation tier, Question 21, also on the Higher paper 4 marks

(a)

Write 5.7 maths symbol 106 as an ordinary number.

[1]
(b)

Write 0.004 in standard form.

[1]
(c)
Question 21, shown as an image
[2]
Reveal mark scheme Mark scheme for question 21(c)

Paper 1H June 2019 Higher tier, Question 7, also on the Foundation paper 4 marks

(a)

Write 5.7 maths symbol 106 as an ordinary number.

[1]
(b)

Write 0.004 in standard form.

[1]
(c)
Question 7, shown as an image
[2]
Reveal mark scheme Mark scheme for question 7(c)

Paper 1H June 2019 (R) Higher tier, Question 20 3 marks

a = 25 maths symbol 1014n where n is an integer. Find an expression, in terms of n, for fraction Give your answer in standard form.

[3]
Reveal mark scheme Mark scheme for question 20

Paper 2H June 2019 (R) Higher tier, Question 9 3 marks

(a)

Write 840 000 in standard form.

[1]
(b)

Work out (6 maths symbol 107) maths symbol (8 maths symbol 10maths symbol) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 9(b)

Paper 2H June 2019 Higher tier, Question 11 6 marks

The table gives the average crowd attendance per match for each of five football clubs for one season.

Football clubAverage crowd attendance
Monaco9.5 103
Chelsea4.2 104
Juventus3.9 104
Oxford United8.3 103
Barcelona7.7 104
(a)

Find the difference between the average crowd attendance for Barcelona and the average crowd attendance for Monaco. Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 11(a)
(b)

Antonio says,

“The average crowd attendance for Chelsea is approximately 50 times that for Oxford United.”

Is Antonio correct? You must give a reason for your answer.

[2]
Reveal mark scheme Mark scheme for question 11(b)
(c)

During last season the cost of a ticket to watch Seapron United increased by 15% and then decreased by 8%

Work out the overall percentage change in the cost of a ticket to watch Seapron United during last season.

[2]
Reveal mark scheme Mark scheme for question 11(c)

Paper 1F June 2018 Foundation tier, Question 18, also on the Higher paper 3 marks

(a)

Write 8 × 104 as an ordinary number.

[1]
Reveal mark scheme Mark scheme for question 18(a)
(b)

Work out (3.5 × 105) ÷ (7 × 108) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 18(b)

Paper 1H June 2018 Higher tier, Question 5, also on the Foundation paper 3 marks

(a)

Write 8 maths symbol 104 as an ordinary number.

[1]
Reveal mark scheme Mark scheme for question 5(a)
(b)

Work out (3.5 maths symbol 105) ÷ (7 maths symbol 108) Give your answer in standard form.

[2]
Reveal mark scheme Mark scheme for question 5(b)

Paper 1H June 2018 (R) Higher tier, Question 8 2 marks

(a)

Write 1 390 000 in standard form.

[1]
(b)

Write 0.005 in standard form.

[1]
Reveal mark scheme Mark scheme for question 8(b)

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