EN
PT
EN
PT
For lower secondary school
Product: Book
Trim size in cm: 20x27cm
Pages: 136
ISBN: 9788859045380
Publication date: 01/05/2025
Suitable for: Lower secondary 1st level (ages 10-11), Lower secondary 2nd level (ages 12-13)
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A practical workbook designed to support Year 9 pupils in lower secondary school in studying and revising algebra, making content more accessible, clear and progressive.
The volume offers a structured pathway — with activities of increasing difficulty — starting from essential, well-organised explanations. Each topic opens with a clear and structured presentation, followed by worked examples that show procedures step by step, leaving no room for doubt or implicit steps. Colours and visual schemes support orientation, highlighting connections between topics and aiding memorisation.
Mathematics without barriers
A series of practical workbooks offering materials designed to support learning through essential explanations, a gradual approach and strong visual support. Guided examples, differentiated activities and summaries help build method and confidence, both in the classroom and in independent study.
Chapter 1 – Negative Numbers
1.1 Positive and Negative Numbers
1.2 Ordering Negative Numbers
1.3 Greater or Smaller?
1.4 Absolute Value of a Number
1.5 Classification of Negative Numbers
1.6 Addition and Subtraction of Negative Numbers: Algebraic Sum
1.7 Algebraic Sum with Brackets
1.8 Multiplication and Division of Negative Numbers
1.9 Powers of Negative Numbers
1.10 Roots of Negative Numbers
Chapter 2 – Algebraic Expressions
2.1 Literal Algebraic Expressions
2.2 Evaluating an Algebraic Expression
2.3 Monomials
2.4 Degree of Monomials
2.5 Algebraic Sum of Monomials
2.6 Multiplication of Monomials
2.7 Division of Monomials
2.8 Powers of a Monomial
2.9 Polynomials
2.10 Algebraic Sum of Polynomials with Brackets
2.11 Multiplying Monomials and Polynomials
2.12 Dividing Monomials and Polynomials
Chapter 3 – Equations
3.1 What Is an Equation?
3.2 The Transposition Rule
3.3 Solving an Equation
Chapter 4 – Negative Numbers on the Cartesian Plane
4.1 The Cartesian Plane
4.2 Distance Between Two Points
Chapter 5 – Lines on the Cartesian Plane
5.1 Drawing Lines on the Cartesian Plane
