← Back to Class 5🔒
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Class 5 · Topic 6
Time, Temperature & Money
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Step 1 · Learn
Read the ideas
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Elapsed Time
Jump · cross · land · add. No borrowing.
- 🕐🔒
12-Hour and 24-Hour
PM hours? Add 12, but 12 noon stays 12:00 and 12 midnight is 00:00.
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Calendar Sense
Div by 4 leaps · div by 100 doesn't · div by 400 leaps again.
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Temperature
Crossing zero? 12 → 0 → −3 is 12 + 3 = 15° down.
- ₹🔒
Indian Money
Profit = sp − cp (when sp > cp).
- 💱🔒
Foreign Currency
₹ ÷ rate = foreign. Pick the direction first.
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Money Word Problems
Skip the extra info. Always re-state with ₹.
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Step 2 · Practice
Try the quests
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Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
Elapsed Time
🔒Round 2
12-Hour and 24-Hour
🔒Round 3
Calendar Sense
🔒Round 4
Temperature
🔒Round 5
Indian Money
🔒Round 6
Foreign Currency
🔒Round 7
Money Word Problems
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