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IGCSE Maths Practice Ch1

This document is an IGCSE Mathematics practice paper focused on number and language concepts, including types of numbers, prime factors, order of operations, rounding, directed numbers, standard form, percentages, and word problems. It consists of eight questions with a total of 30 marks and provides specific instructions for answering. The time allowed for completion is 30 minutes.

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232 views2 pages

IGCSE Maths Practice Ch1

This document is an IGCSE Mathematics practice paper focused on number and language concepts, including types of numbers, prime factors, order of operations, rounding, directed numbers, standard form, percentages, and word problems. It consists of eight questions with a total of 30 marks and provides specific instructions for answering. The time allowed for completion is 30 minutes.

Uploaded by

sanna.lenin18
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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IGCSE Mathematics Practice Paper

Chapter 1: Number and Language (up to Percentages)

Time allowed: 30 minutes

Marks: 30

Instructions:

- Show all working clearly.

- You may use a calculator (unless your teacher tells you otherwise).

- Answer all questions.

Question 1: Types of Numbers [3 marks]

Write down all the types of numbers (e.g. natural, rational, etc.) that apply to:

a) -3

b) 22/7

c) sqrt(2)

Question 2: Prime Factors [3 marks]

a) Write 60 as a product of its prime factors.

b) Use your answer to find the HCF of 60 and 48.

Question 3: BIDMAS / Order of Operations [2 marks]

Simplify: 6 + 3 x (8 - 5)^2 ÷ 3

Question 4: Rounding [3 marks]

a) Round 0.05739 to 2 significant figures.

b) Round 78,496 to the nearest 1000.

c) Estimate the value of 49.8 x 1.9 by rounding each number to 1 significant figure.

Question 5: Directed Numbers [3 marks]


IGCSE Mathematics Practice Paper

Chapter 1: Number and Language (up to Percentages)

a) -3 + 7 =

b) -6 x -2 =

c) 20 ÷ (-5) =

Question 6: Standard Form [4 marks]

a) Write 0.00056 in standard form.

b) Write 3.7 x 10^4 as an ordinary number.

c) Multiply: (2 x 10^3) x (5 x 10^2). Give your answer in standard form.

Question 7: Percentages [5 marks]

a) Find 25% of 160.

b) Increase 240 by 15%.

c) A number is increased by 20% to become 180. What was the original number?

Question 8: Worded Mix [4 marks]

A student earns Rs. 2000 a month. They spend:

- 30% on food

- Rs. 800 on transport

- The rest is saved.

a) How much is spent on food?

b) What percentage of income is saved?

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