Class 5 · Topic 1
Numbers & Place Value
Step 1 · Learn
Read the ideas
- 🏛️Free
The Place Value House Grows Up
Eight rooms in the place value house: Ones → Crores.
- 🇮🇳Free
The Indian System
Commas mark the periods, thousand, lakh, crore.
- 🌍Free
The International System
Periods of 3, thousand, million, billion.
- 🗣️Free
Reading & Writing Large Numbers
Read period-by-period, don't lose the zeros.
- 🏛️Free
Roman Numerals
I V X L C D M, add or subtract by position.
- 🎯Free
Rounding Big Numbers
Peek at the next digit, 5 up, 4 down.
- 🌡️Free
Integers
Integers stretch both ways from zero on the number line.
Step 2 · Practice
Try the quests
Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
The vault code is the smallest 8-digit number that uses each of the digits 7, 0, 4, 1, 0, 9, 6, 3 once.The vault code is the smallest 8-digit…
FreeRound 2
The Guardian's display shows 702000506 with no commas.The Guardian's display shows 702000506 with…
FreeRound 3
A film earned 72 million rupees in its first week and 4 crore 80 lakh rupees in its second week.A film earned 72 million rupees in its…
FreeRound 4
A cheque says: six crore, nine lakh, ninety-eight thousand, five hundred rupees.A cheque says: six crore, nine lakh,…
FreeRound 5
The panel shows two Roman codes, MMXCIV and CDXI.The panel shows two Roman codes, MMXCIV and…
FreeRound 6
The vault's secret number rounds to 3,70,000 at the nearest ten thousand. It also rounds to 3,65,000 at the nearest thousand.The vault's secret number rounds to…
FreeRound 7
The last lock takes a three-digit number made from the digits 2, 7 and 5, each used once. A minus sign may be put in front.The last lock takes a three-digit number…
Free