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New NCERT textbook · Class 4 Maths

Maths Mela, period by period — fitted to your timetable.

Tell Meyy your periods and their length; it plans every chapter of Maths Mela to fit, and you tick off sections as you teach.

Chapter 5 · Period 1 of 13 · 40 min

Folding Fair: Who Got Equal Shares?

Lesson

Watch for students who fold a shape asymmetrically and still call it 'halves' — the core misconception here is that two pieces must look the same, not merely be equal in amount. Encourage students to physically overlap the parts to verify equality, rather than judging by eye. A common error is drawing a line that splits the figure into two visually distinct pieces that are not equal in area.

0–10Each pair receives a sheet of paper. Students fold it in two different ways — once lengthwise, once diagonally — and hold up the results. The class discusses: are both folds fair? Do both halves match when you flip one on top of the other?
10–20Let Us Discuss Q1–4, p.62 ("Discuss which part of the paper you would have chosen....") — Teacher reads the Ikra-and-Samina scenario aloud. Pairs try the fold with real paper, then share which choice they would make and why. Class settles on what 'equal' means.
20–30Let Us Do Q1, p.63 ("Colour the figures that Samina has divided into halves....") — Students work individually, colouring and writing a one-phrase reason. Two or three pupils explain their thinking to the class.
30–40Let Us Do Q2, p.63 ("Divide the given shapes into halves by drawing a line.") — Students draw lines on the printed shapes. Pairs compare their lines: do they agree? Is there more than one correct line for any shape? A quick show of hands closes the unit.
Assessment

Let Us Do Q2, p.63 — Divide the given shapes into halves by drawing a line.

Draw a square. Draw a line to divide it into two halves. Now draw the same square again and divide it into halves in a different way. Are both your lines correct? How do you know the two parts are equal each time?

A horizontal (or vertical or diagonal) line through the midpoint of the square creates two equal halves; a different line — for example, vertical if the first was horizontal — also creates two equal halves. Both are correct. The student can verify equality by folding the paper so one part sits exactly on top of the other.

Chapter 5 · 13 periods of 40 min

Also saved as 8 periods or 11 periods.

  • 2One Rectangle, Many Cuts — Halves and Quarters
    Lesson
  • 3Dhokla for All: More Guests, Smaller Shares
    Lesson
  • 4Fraction Kit: Seeing and Comparing Unit Fractions
    Lesson
  • 5Garden Plots: Naming Parts Greater Than One
    Lesson
  • 6Dosa Fractions: Circles, Sectors, and Diyas
    Lesson
  • 7Sharing Cookies and Counting Pots: Fractions Around Us
    Lesson
  • 8Barfis, Ribbons, and Real-World Fraction Reasoning
    Lesson
  • 9Folding Into Thirds, Then Smaller and Smaller
    Lesson
  • 10Fraction Chart: Comparing and Checking Equivalences
    Lesson
  • 11Equal Parts or Not? Checking Fraction Claims in Shapes
    Lesson
  • 12Pattern Blocks and Shading: Reading and Making Fractions
    Lesson
  • 13Fractions All Around: A Whole-Chapter Gallery and Relay
    Lesson

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