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Class 6 Think! New Syllabus Mathematics 1, 8th Ed. (2027-28)

Think! New Syllabus Mathematics 1 (8th Edition, Oxford) for Class 6, session 2027-28: 13 chapters on primes, fractions, decimals, integers, algebra, percentage, ratio, geometry, area and statistics, written for Cambridge O Level Mathematics.

Key details

Class 6 · Book 1
Oxford · 8th Edition
13 chapters
Session 2027-28

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Think! New Syllabus Mathematics 1 (8th Edition) is the Class 6 maths book on this site. It is published by Oxford University Press and is the first book of a series written for Cambridge O Level and IGCSE Mathematics, so it is a demanding book for Class 6. The cover shows a nautilus shell, and its authors include Dr Yeap Ban Har and Dr Joseph B. W. Yeo. This page is written for the 2027-28 session and shows every chapter and lesson with the page numbers we can read.

Exams Book House, Shop Number 4, Al Fazal Market, Urdu Bazar, Lahore, supplies it with cash on delivery across Pakistan and delivery to the Gulf countries.

Quick facts

Title on the cover: Think! New Syllabus Mathematics · 8th Edition · 1 · For Cambridge GCE and IGCSE O Level Mathematics · Oxford
Publisher: Oxford University Press
Authors named on the cover: Dr Yeap Ban Har, Dr Joseph B. W. Yeo, Dr Choy Ban Heng, Teh Keng Seng, Wong Lai Fong, Sharon Lee and another co-author
Cover picture: a nautilus shell on a pebbled beach, with a white label to check that the book is genuine
Cover note: "For Cambridge GCE and IGCSE O Level Mathematics"; the big 1 is the book number
Contents: 13 chapters on about 360 pages, ending with Answer Keys
Class: Class 6
Shown in: School Books → Class 6
Session: 2027-28

What is this book?

The series is designed to take a student from the first years of secondary school to the O Level or IGCSE exam. Book 1 therefore starts with the main number ideas, not just revision: prime numbers, square roots and cube roots, highest common factor and lowest common multiple, then all the operations on fractions and decimals, negative numbers, rounding and estimation, basic algebra and linear equations, percentage, ratio and rate, geometry, area and statistics.

Every chapter ends with a Summary, and the book finishes with Answer Keys, so a student can check their own work.

Contents of Think! New Syllabus Mathematics 1 (with page numbers)

Chapter	Topic	Starts on page
1 Primes, Highest Common Factor and Lowest Common Multiple		1
	1.1 Prime numbers	2
	1.2 Square roots and cube roots	9
	1.3 Highest common factor and lowest common multiple	14
	Summary	22
2 Fractions		23
	2.1 Fractions, improper fractions and mixed numbers	24
	2.2 Adding and subtracting fractions and mixed numbers	29
	2.3 Multiplying fractions and mixed numbers	34
	2.4 Dividing fractions and mixed numbers	38
	Summary	44
3 Decimals		47
	3.1 Decimals and fractions	48
	3.2 Operations involving decimals	56
	3.3 Conversion of units of measurement for length, mass and volume	60
	Summary	66
4 Integers, Rational Numbers and Real Numbers		69
	4.1 Negative numbers	70
	4.2 Addition and subtraction involving negative integers	74
	4.3 Multiplication, division and combined operations involving negative integers	84
	4.4 Negative fractions and mixed numbers	92
	4.5 Negative decimals	95
	4.6 Rational, irrational and real numbers	98
	Summary	104
5 Approximation and Estimation		105
	5.1 Rounding and significant figures	107
	5.2 Limits of accuracy	114
	5.3 Approximation and approximation errors in real-world contexts	118
	5.4 Estimation and estimation errors in real-world contexts	121
	Summary	127
6 Basic Algebra and Algebraic Manipulation		129
	6.1 Basic algebraic concepts and notations	130
	6.2 Addition and subtraction of linear terms	138
	6.3 Expansion and factorisation of linear expressions	144
	6.4 Linear expressions with fractional coefficients	151
	Summary	157
7 Linear Equations		159
	7.1 Linear equations	160
	7.2 Linear equations with fractional coefficients and fractional equations	166
	7.3 Applications of linear equations in real-world contexts	170
	7.4 Mathematical formulae	174
	Summary	177
8 Percentage		179
	8.1 Percentage	180
	8.2 Percentage change, percentage point and reverse percentage	194
	Summary	204
9 Ratio and Rate		—
	9.1 Ratio; 9.2 Rate; 9.3 Speed; Summary	—
10 Basic Geometry		239
	10.1 Basic geometrical concepts and notations	240
	10.2 Properties of angles formed by intersecting lines	244
	10.3 Properties of angles formed by two parallel lines and a transversal	250
	Summary	258
11 Polygons and Geometrical Constructions		259
	11.1 Triangles	260
	11.2 Quadrilaterals	268
	11.3 Geometrical constructions of triangles and quadrilaterals	276
	11.4 Polygons	285
	Summary	300
12 Perimeter and Area of Plane Figures		301
	12.1 Conversion of units	302
	12.2 Perimeter and area of rectangles and triangles	304
	12.3 Perimeter and area of parallelograms	311
	12.4 Perimeter and area of trapeziums	317
	12.5 Circumference and area of circles	323
	Summary	332
13 Statistical Data Handling		—
	13.1 Frequency table; 13.2 Pictogram; 13.3 Bar graph; 13.4 Pie chart; 13.5 Evaluation of statistical representations; 13.6 Statistical investigation; Summary	—
Answer Keys		—

A dash means that the page number is hidden in the curve of the page on our photograph. Please look at the printed book for those.

The book in five blocks

Number (chapters 1 to 4). Primes, factors and multiples, fractions, decimals, integers, rational and irrational numbers.
Accuracy (chapter 5). Rounding, significant figures, limits of accuracy and estimation errors.
Algebra (chapters 6 and 7). Notation, adding and subtracting linear terms, expansion and factorisation, linear equations and formulae.
Ratio and proportion (chapters 8 and 9). Percentage, percentage change, ratio, rate and speed.
Geometry and data (chapters 10 to 13). Angles, polygons and constructions, perimeter and area including circles, and statistical data handling.

A note on the level

This book is written for O Level Mathematics, so it is more demanding than a typical Class 6 textbook. Many schools that follow a Cambridge route use it from the start of secondary school. If your school lists it for Class 6, expect longer explanations, more algebra and more exam-style questions than in a primary book. Short, regular practice is better than long sessions the night before a test.

Think! 1 and Think! 2

Book 2, for Class 7, continues with linear graphs, simultaneous equations, inequalities, algebraic expansion and factorisation, number patterns, financial transactions, proportion, Pythagoras' theorem, trigonometry, solids, sets and probability, and histograms. Both books are on this site.

Why this book?

A full secondary maths foundation in one book, ending with Answer Keys.
Every chapter ends with a Summary for revision.
Written for the Cambridge O Level and IGCSE route.

Who is it for, and when is it used?

It is for Class 6 children on a Cambridge route, about eleven years old. It is the main maths textbook of the year and is used for classwork and homework. Parents can use the page numbers above to follow the class.

How to help at home

Practise the times tables and number facts until factors and multiples feel easy.
Make a table of the first 20 primes and the squares and cubes up to 10.
Check each answer in the Answer Keys and fix mistakes the same day.
Use real life: discounts for percentage, a recipe for ratio, a ruler for perimeter.
Keep a formula notebook for each chapter's Summary.

Is it right for Class 6 and session 2027-28?

If your school's 2027-28 list names Think! New Syllabus Mathematics 1 (8th Edition), this is the book. Check the cover and the edition on this page before you order, and send us your list on WhatsApp if you are not sure. We will tell you what we can get for you.

Matching and similar books

Class 7 Think! New Syllabus Mathematics 2, the next book in the series.

Buy it in Urdu Bazar, Lahore

Shop: Exams Book House, Shop Number 4, Al Fazal Market, Urdu Bazar, Lahore 54000
Urdu Bazar Lahore book shop number: 0317 4846676 (call or WhatsApp)
Open: Monday to Saturday, 9 AM – 9 PM; closed on Sunday
Delivery: all over Pakistan with cash on delivery, and to the Gulf countries

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