Systematic Listing
Type 1
Type 2
Type 3
Type 1 — Shortage & Excess
Scenario 1: If each friend receives...
Then he has ... left/short
Scenario 2: If each friend receives...
Then he has ... left/short
Type 2 — Number Buttons (1–20)
Select a number:
Type 3 — Lucky Person (LCM)
Every ... person will get chocolate
Every ... person will get balloon