Math 24
Use addition, subtraction, multiplication, and division to make 24. A fun educational math game for children and students.
图文教程
How to Play Math 24
You are dealt 4 cards (e.g., 3, 3, 8, 8). Your goal is to combine all four numbers using +, -, ×, ÷ to exactly equal 24.
How to Play Math 24
Welcome to the definitive guide for Math 24! This classic fast-paced math puzzle will test your mental arithmetic and arithmetic agility.
Basic Rules
- The Objective: You are given exactly four numbers (usually ranging from 1 to 13). You must use all four numbers, and exactly four numbers, to calculate a final result of exactly 24.
- Operations Allowed: You can only use addition (+), subtraction (-), multiplication (×), and division (÷).
- Parentheses: The game automatically handles order of operations and parentheses based on the order in which you combine the numbers.
Strategies for Success
- Work Backwards: Think of common ways to make 24:
3 × 8,4 × 6,12 × 2, or24 + 0. Then look at your 4 numbers and try to group them to form these pairs. - The "One" Trick: If you have a 1, you can often use it as a neutral operation, like
X × 1orX ÷ 1. - Fractions are your Friend: The most notoriously difficult puzzles (like 3, 3, 8, 8) require fractions! For example:
8 / (3 - (8 / 3)) = 24. Our engine fully supports fractional intermediate steps.
Frequently Asked Questions (FAQ)
Q: What if I can't find a solution? A: Unlike a deck of physical cards, every single combination dealt by our game engine is mathematically guaranteed to have at least one valid solution. Keep trying!
Q: Do I get penalized for wrong answers? A: There is no penalty for making intermediate calculations. If you mess up, you can simply press "Reset" and start the card over. The only enemy is the timer!