NCERT Solutions for Class 4th Maths Chapter 5 Folding a paper into two equal parts — Let Us Try
Book page 77 Updated on2026-09-19
Q1.
Take another piece of paper and try the same starting with two equal parts, and halving every time. Share the findings with your friends. 1/2 = 2/4 = ______ = ______ = ______
Answer
1/2 = 2/4 = 4/8 = 8/16 = 16/32
1/2
2/4
4/8
The same coloured half of the paper after no fold, one fold and two folds.
Folds made
Equal parts in all
Coloured parts
Fraction
none
2
1
1/2
1
4
2
2/4
2
8
4
4/8
3
16
8
8/16
4
32
16
16/32
Why it happens: Halving cuts every part into two, so the coloured parts double and the total parts double as well. The coloured paper is still exactly half.
Tip: Tell your friends the rule you found: if you double both numbers of a fraction, you still have the same amount.