i-Excel Heuristics and Model Approach Primary 1

Part I Heuristic Approach
Unit 1 Systematic Listing
Unit 2 Act It Out
Unit 3 Look For Pattern I
Unit 4 Draw A Diagram I
Unit 5 Look For Pattern II
Unit 6 Simplify The Problem
Unit 7 Draw A Diagram II
Unit 8 Guess And Check

Part II Model Approach - Addition
Unit 9 Model Drawing - Addition
Unit 10 Word Problems - Addition I
Unit 11 Word Problems - Addition II
Unit 12 Word Problems - Addition III

Part III Model Approach - Subtraction
Unit 13 Model Drawing - Subtraction
Unit 14 Word Problems - Subtraction I
Unit 15 Word Problems - Subtraction II
Unit 16 Word Problems - Subtraction III

Part IV Model Approach - Multiplication
Unit 17 Model Drawing - Multiplication
Unit 18 Word Problems - Multiplication

Part V Model Approach - Division
Unit 19 Model Drawing - Division
Unit 20 Word Problems - Division I
Unit 21 Word Problems - Division II

Part VI Examination Revisions
Unit 22 Revision Paper I
Unit 23 Revision Paper II

Detailed Solutions and Answers

**Stickers For Model Activities

i-Excel Heuristics and Model Approach Primary 2

Part I Heuristic Approach
Unit 1 - Guess And Check
Unit 2 - Act It Out
Unit 3 - Draw A Diagram I
Unit 4 - Make A List
Unit 5 - Look For Pattern I
Unit 6 - Draw A Diagram II
Unit 7 - Draw A Diagram III
Unit 8 - Look For Pattern II

Part II Model Approach
Unit 9 - Addition I (Part-Whole Model)
Unit 10 - Addition II (Comparison Model)
Unit 11 - Subtraction I (Part-Whole Model)
Unit 12 - Subtraction II (Comparison Model)
Unit 13 - Multiplication I
Unit 14 - Multiplication II
Unit 15 - Division I
Unit 16 - Division II

Answer Key And Detailed Solutions

**Stickers For Model Activities

i-Excel Heuristics and Model Approach Primary 3

Part I Problem Solving Heuristic Approach
Unit 1 - Act It Out
Unit 2 - Look For Patterns
Unit 3 - Work Backwards
Unit 4 - Guess And Check
Unit 5 - Draw A Diagram
Unit 6 - Simplify The Problem
Unit 7 - *Restate The Problem I
Unit 8 - *Use Before-After Concept
Unit 9 - Restate The Problem II

Part II Problem Solving Model Approach
Unit 10 - Draw A Model - Addition And Subtraction I
Unit 11 - Draw A Model - Multiplication
Unit 12 - Draw A Model - Division I
Unit 13 - Draw A Model - Division II
Unit 14 - Draw A Model - Four Operations I
Unit 15 - *Draw A Model - Four Operations ivision II
Unit 16 - *Draw A Model - Four Operations III

Answer Key And Detailed Solutions
Stickers For Model Activities

*More challenging problems specially for advanced pupils


i-Excel Heuristics and Model Approach Primary 4

Part I Heuristic Approach
Unit 1 Guess And Check
Unit 2 Simplify The Problem
Unit 3 Work Backwards
Unit 4 Look For Pattern
Unit 5 Draw A Diagram
Unit 6 Make A List
Unit 7 Test 1
Unit 8 *Challenge Yourself 1
Answer key 1

Part II Model Approach - Whole Numbers
Unit 9 Addition and Subtraction
Unit 10 Addition and Subtraction
Unit 11 Addition and Subtraction
Unit 12 Multiplication and Division
Unit 13 Multiplication and Division
Unit 14 Four Operations
Unit 15 Four Operations
Unit 16 Four Operations
Unit 17 Four Operations
Unit 18 Four Operations
Unit 19 Four Operations
Unit 20 Four Operations
Unit 21 Test 2
Unit 22 Test 3
Unit 23 *Challenge Yourself 2
Answer key 2

Part III Model Approach - Fractions
Unit 24 Addition and Subtraction
Unit 25 Addition and Subtraction
Unit 26 Multiplication and Division
Unit 27 Multiplication and Division
Unit 28 Multiplication and Division
Unit 29 Multiplication and Division
Unit 30 Multiplication and Division
Unit 31 Multiplication and Division
Unit 32 Four Operations
Unit 33 Four Operations
Unit 34 Test 4
Unit 35 Test 5
Unit 36 *Challenge Yourself 3
Answer key 3

Part VII Non-Routine Problems
Unit 37 *Challenge Yourself 4
Answer key 4

i-Excel Heuristics and Model Approach Primary 5

Part I Heuristic Approach
Unit 1 Simplify The Problem
Unit 2 Systematic Listing
Unit 3 Draw A Diagram
Unit 4 Look For Pattern
Unit 5 Guess And Check
Unit 6 Use Before-After Concept

Part II Model Approach - Whole Numbers
Unit 7 Whole Numbers 1
Unit 8 Whole Numbers 2
Unit 9 Whole Numbers 3
Unit 10 Whole Numbers 4
Unit 11 Whole Numbers 5

Part III Model Approach - Fractions
Unit 12 Fractions 1
Unit 13 Fractions 2
Unit 14 Fractions 3
Unit 15 Fractions 4
Unit 16 Fractions 5

Part IV Model Approach - Ratio
Unit 17 Ratio 1
Unit 18 Ratio 2
Unit 19 Ratio 3

Part V Model Approach - Decimals
Unit 20 Decimals 1
Unit 21 Decimals 2

Part VI Model Approach - Percentage
Unit 22 Percentage 1
Unit 23 Percentage 2
Unit 24 Percentage 3
Unit 25 Percentage 4
Unit 26 Percentage 5

Part VII Revision
Unit 27 Revision 1 Heuristic Approach
Unit 28 Revision 2 Model Approach
Unit 29 Revision 3 Mixed Challenging Problems

Detailed Solutions and Answers


i-Excel Heuristics and Model Approach Primary 6

Part I Heuristic Approach
Unit 1 Solve Part Of The Problem
Unit 2 Make A Supposition
Unit 3 Work Backwards
Unit 4 Restate The Problem In Another Way
Unit 5 Look For Pattern
Unit 6 Systematic Listing
Unit 7 Use Before-After Concept (Ratio)
Unit 8 Draw A Diagram (Speed)

Part II Model Approach - Ratio And Proportion
Unit 9 Ratio And Proportion 1
Unit 10 Ratio And Proportion 2
Unit 11 Ratio And Proportion 3
Unit 12 Ratio And Proportion 4

Part III Model Approach - Percentage
Unit 13 Percentage 1
Unit 14 Percentage 2
Unit 15 Percentage 3
Unit 16 Percentage 4

Part IV Model Approach - Speed
Unit 17 Speed 1
Unit 18 Speed 2
Unit 19 Speed 3

Part V Examination Practice
Unit 20 Examination Practice

Detailed Solutions and Answers