The daily 24 puzzle
Every day you get four numbers and one goal: combine them to make exactly 24, using addition, subtraction, multiplication, division and parentheses. Each number must be used once and only once. It's the classic '24 Game' beloved in maths classrooms, refreshed with a new solvable puzzle each day and a streak counter to keep you coming back.
Tips for cracking it
Look for pairs that already multiply near 24 — like 4 and 6, or 3 and 8 — then bend the other two numbers to fit. Parentheses are your friend: (8 − 2) × (6 − 2) is a very different value from 8 − 2 × 6 − 2. If you're stuck, the reveal button shows one working solution, though there's often more than one way to reach 24.
Good for the brain, no account needed
It's a quick, screen-friendly workout for mental arithmetic and order of operations, and it runs entirely in your browser — your streak is stored on your own device. Come back tomorrow for a fresh set of numbers. Because the puzzle is generated deterministically from the date, everyone playing on the same day gets the same challenge.
Frequently asked questions
Do I have to use every number?
Yes — you must use all four numbers exactly once each. You can combine them with + − × ÷ and parentheses in any order.
Is there always a solution?
Yes. Each day's puzzle is generated so that at least one valid way to make 24 exists, and you can reveal one if you get stuck.
What is the daily number puzzle?
A new number challenge each day where you use logic and arithmetic to reach a target, giving your brain a short, fresh workout.
How do I solve number puzzles faster?
Look for patterns, work backward from the target, and estimate before calculating. Regular practice trains you to spot shortcuts quickly.
Are number puzzles good for your brain?
They are a fun way to keep mental arithmetic and logic sharp. Like any skill, quick number sense improves the more often you practise it.