Our prices are denominated in USD.

We ship internationally!

Think! Mathematics Secondary Textbook 1A (8th Ed)


ISBN: 9789813245358

No. of pages: 213

Weight: 590g

think! Mathematics is a series of textbooks designed to provide students valuable learning experiences and a deeper appreciation of mathematics by engaging their minds and hearts. The series covers the MOE Syllabus for Mathematics implemented from 2020, and reflects the  important shifts towards the development of 21st century competencies. Underpinning the writing of this textbook is our belief that all students can learn and appreciate mathematics.  This textbook series will be a meaningful companion for students as they embark on an exciting journey in secondary school mathematics through collaborative and self-directed learning.

Special features

  • Chapter Opener and Introductory Problem motivate the development of concepts
  • Investigation, Class Discussion, Thinking time, Journal Writing and Performance Task highlight mathematics as a tool and as a discipline 
  • Real-life examples, applications and Problems in Real-World Contexts emphasise the relevance and beauty of mathematics
  • Worked Examples, Practise Now and Exercise questions ensure a high baseline of mastery
  • Challenge Yourself problems provide extension opportunities
  • Reflection prompts encourage metacognition
  • ICT tools promote visualisation and exploration of concepts
  • Invitation to Code and Opportunities to code expose students to this increasingly prominent skill of the future
  • Looking Back and Summary consolidate the big ideas, concepts and knowledge encountered in each chapter


  1. Prime, highest common factor and lowest common multiples
  • Prime Number
  • Square root and cube roots
  • Highest common factor and lowest common multiple
  1. Integers, rational number and real numbers
  • Negative Numbers
  • Addition and Subtraction involving negative integers
  • Multiplications division and combined operations involving negative integers
  • Fractions and mixed numbers
  • Decimals
  • Rational, irrational and real numbers
  1. Approximation and Estimation
  • Rounding and significant figure
  • Approximation and error I real world contexts
  • Estimation and estimation errors in real-world context
  1. Basic algebra and algebraic manipulation
  • Basic algebraic concepts and notations
  • Addition and subtraction of linear terms
  • Expansion and factorisation of linear expressions
  • Linear expressions with fractional coefficients
  1. Linear Equations
  • Linear equations
  • Linear equations with fractional coefficient and fractional equations
  • Application of linear equation in real world context
  • Mathematical formulae
  1. Linear function and graphs
  • Cartesian coordinates
  • Function
  • Linear functions
  • Application of linear graph in real world context
  1. Number pattern
  • Number sequence
  • Number sequence and pattern

Complete series contain:

  1. Textbook
  2. Workbook