← Back to Class 3🔒
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Class 3 · Topic 15
Brain-Buster Word Problems
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Step 1 · Learn
Read the ideas
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Multi-Step Money Chains
Work out the change like a shopkeeper.
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Work-Backwards Puzzles
Spent → add it back. Doubled → halve it.
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Missing-Digit Puzzles
Work the column where only one digit is missing.
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Multiply & Divide Cryptarithms
Read the ones column for a hidden digit, or turn a share into a times fact.
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Fractional-Spend Shopping
Split and take each piece, then combine.
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Magic Squares
Every line of a magic square has the same total.
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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
Multi-Step Money Chains
🔒Round 2
Work-Backwards Puzzles
🔒Round 3
Missing-Digit Puzzles
🔒Round 4
Multiply & Divide Cryptarithms
🔒Round 5
Fractional-Spend Shopping
🔒Round 6
Magic Squares
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