The limit is the paper
Why nobody gets past seven folds
Fold any sheet and it grows stiff and fat quickly. Most people stop at about seven folds.
📚 Chapter Learning Kit
Power Play · Class 8 Mathematics · Ganita Prakash
English 3 topics 105 leveled MCQs 51 flashcards 5 games Free
Shared by a Veda teacher · Generated with Veda AI · Oct 2026
⚡ Veda Bites
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💡 Key Idea
✏️ Example
💡 Key Idea
💡 Key Idea
✏️ Example
The whole idea, one bite at a time
Veda Bites are swipeable micro-lessons — each one teaches exactly one idea. Here's a taste from this kit; the app has the full deck.
The thickness doubles
What a fold really does
A fold lays the paper on itself, so the thickness is multiplied by two.
The early numbers look tame
Ten folds and barely a centimetre
After seven folds the sheet is 0.128 centimetres, thinner than a coin.
Why the notation exists
Seven twos on one line
Writing two multiplied by itself seven times is slow and easy to miscount.
Naming the two parts
Base and exponent
Five to the power four means five times five times five times five, which is 625.
Exponents shorten primes
A factorisation on one line
32,400 breaks into four twos, two fives and four threes.
📖 Smart notes
What you'll study, topic by topic
1
Doubling, and how fast it runs away
Folding a sheet doubles its thickness each time. After ten folds it is a centimetre, after thirty it passes ten kilometres, and after forty-six it would reach the Moon. Repeated multiplying grows at a rate no addition ca…
- Each fold doubles the thickness, so the growth multiplies rather than adds.
- A sheet 0.001 cm thick passes one centimetre after ten folds.
- After seventeen folds it stands about 131 centimetres tall.
~35 min · full explanation, examples & memory tricks in the app
2
Exponential notation and the laws that follow
Writing a repeated product as a base with an exponent makes long multiplications short. Three laws follow at once: add the exponents on a product, multiply them on a power of a power, and share one exponent across two ba…
- In five to the power four, five is the base and four is the exponent.
- Five to the power four means five multiplied by itself four times, giving 625.
- A prime factorisation shortens to exponents: 32,400 is two to the fourth times five squared times three to the fourth.
~35 min · full explanation, examples & memory tricks in the app
3
Dividing powers, and writing the very large
Dividing powers of one base subtracts the exponents. Pushed past zero that gives a zero exponent of one and negative exponents as fractions. Powers of ten then let any huge or tiny number be written in one short form.
- Dividing powers of one base subtracts the exponents.
- The base cannot be zero, because dividing by zero has no answer.
- A zero exponent gives one, since a power divided by itself is one.
~35 min · full explanation, examples & memory tricks in the app
❓ Leveled MCQ practice
Try the smart MCQs from this kit
105 questions laddered from warm-up to topper-level, each with an explanation. A taste:
A sheet of paper is folded once, so the paper comes to lie on top of itself. The thickness is therefore
Beginner
A halved
B doubled
C squared
D unchanged
Show answer & explanation
doubled
Two layers stand where one did, so the thickness is multiplied by two.
Most people trying this with ordinary paper find that they cannot keep folding for long. The usual limit is about
Beginner
A thirty folds
B seven folds
C twelve folds
D three folds
Show answer & explanation
seven folds
The sheet grows stiff and fat. The limit is physical, and thinner paper goes a little further.
A sheet 0.001 centimetres thick is folded three times, with the thickness doubling at each fold. It comes to
Beginner
A 0.008 cm
B 0.003 cm
C 0.006 cm
D 0.030 cm
Show answer & explanation
0.008 cm
Doubling three times multiplies by eight, so 0.001 becomes 0.008.
The stack is measured after ten folds and found to have just passed a single centimetre. The reading is
Intermediate
A 1.024 cm
B 1.000 cm
C 10.24 cm
D 0.1024 cm
Show answer & explanation
1.024 cm
Ten doublings of 0.001 centimetres give 1.024 centimetres.
🃏 Flashcards
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51 flashcards in this kit — the app reviews them with spaced repetition so the right card returns on the right day.
🎮 Learning games
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Memory Match
Word Match
Categorization
Fact Or Myth
Sequence Builder
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