NCERT Class 1 Maths Joyful Mathematics Chapter 2 What is Long? What is Round? PDF (2026-27)

Class 1 Maths Chapter 2, What is Long? What is Round? (Shapes), introduces solid shapes around us through the ‘Wise Grandmother’ story and blindfold guessing games — sorting everyday items into long (cylindrical/cuboid) and round (spherical) objects and testing which things roll and which slide.

What Class 1 Mathematics Chapter 2 Covers

Long Objects vs Round Objects: Sorting household items like pencils, bats, bottles, and cucumbers (long) from oranges, balls, marbles, and laddoos (round).

Matching Similar 3D Shapes: Grouping boxes (cuboids/cubes), cans and rollers (cylinders), party caps (cones), and balls (spheres) by their shapes.

Rolling and Sliding: Testing objects on a park slide to see which ones roll down, which ones slide down, and which can do both.

Exercises in Chapter 2

  • Let us Do (Pages 10–13): Tick the round objects, cross the long objects, and match similar solid shapes.
  • Roll or Slide Activity (Pages 14–16): Colour the objects that roll in green, those that slide in red, and those that do both in blue.

Read Class 1 Mathematics Chapter 2 Online

More Chapters

FAQ

Give two examples of long objects and two examples of round objects.
Long objects: a pencil and a water bottle. Round objects: a ball and an orange.

Why does a ball roll while a book slides?
A ball has a round, curved surface so it rolls, whereas a book has flat surfaces so it slides.