Topic 3
Multiplication & Division
Step 1 · Learn
Read the ideas
- 🔁🔒
The Clone Machine
Multiplication is just fast addition.
- 📏🔒
The Area Model
Split big multiplications into a grid.
- 🧱🔒
The Column Method
The column method, with the mystery 0 explained.
- 🍬🔒
The Chunking Claw
Share candies fairly using big chunks first.
- ⚡🔒
The Mind-Ninja
Divide in one line, carrying each remainder in your head.
- 🪜🔒
Long Division
Write the subtraction down and the head-work disappears.
- 🚗🔒
The Leftover Rule
What do you do with the leftovers?
- 🔄🔒
The Opposite Engine
Use the flip trick to find the missing number.
- 🪜🔒
Brackets First
Why 4 + 5 x 2 is 14 and not 18.
- ⚙️🔒
Find the Rule
4→28, 5→35, so the rule is × 7.
Step 2 · Practice
Try the quests
Step 3 · Boss Battle
Beat the boss
🛡️ 🛡️ 🛡️ 3 shields — lose all → 60-second cooldown
Round 1
The Clone Machine
🔒Round 2
The Chunking Claw
🔒Round 3
The Opposite Engine
🔒Round 4
The Area Model
🔒Round 5
The Leftover Rule
🔒Round 6
The Mind-Ninja
🔒Round 7
The Column Method
🔒Round 8
Long Division
🔒Round 9
Brackets First
🔒Round 10
Find the Rule
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