Chapter 4- Basic Geometrical Ideas : Part-2 : Exercise 4.1
Chapter 4- Basic Geometrical Ideas : Part-3 : 4.11 Triangles
Chapter 4- Basic Geometrical Ideas : Part-1,2,3 : Answers
Chapter 5-Understanding Elementary Shapes : Part-1 : 5.1 Introduction
Chapter 5-Understanding Elementary Shapes : Part-2 : 5.4 Angles-'Acute', 'Obtuse' and 'Reflex'
Chapter 5-Understanding Elementary Shapes : Part-3 : 5.6 Perpendicular Lines
Chapter 5-Understanding Elementary Shapes : Part-4 : Exercise 5.7
Chapter 5-Understanding Elementary Shapes : Part-1,2,3,4 : Answers
Chapter 6-Integers : Part-1 : 6.1 Introduction
Chapter 6-Integers : Part-2 : Exercise 6.1
Chapter 6-Integers : Part-3 : 6.3.1 Addition of Intgers on a Number Line
Chapter 6-Integers : Part-1,2,3 : Answers