Combine 24

New: Daily Puzzles with streaks, speedy Fast Play, and a Magic Solver to check your answers. Make 24 from four cards — how fast can you go?

Can you make 24?

Combine 24 is the classic math card game loved by families and classrooms for generations — now reimagined as a bright, friendly app you can play anywhere.

The rules are beautifully simple: you get four number cards. Use +, -, x, ÷ (and parentheses!) to combine all four numbers into exactly 24. That's it. Easy to learn, surprisingly addictive, and a real workout for your mental math.

GAME MODES

• Daily Puzzle — a fresh challenge every day. Solve it to keep your streak alive!
• Fast Play — race against the clock and solve as many puzzles as you can.
• Magic Solver — stuck on a tricky one? Tap the magic wand to reveal a solution and check your work (no cheating!).

GREAT FOR EVERY AGE From kids sharpening their arithmetic to grown-ups keeping their minds quick, Combine 24 turns mental math into a game you'll actually want to play. Teachers and parents love it as a playful way to practice the four operations.

WHY YOU'LL LOVE IT

• Clean, colorful, kid-friendly design
• Only a small family-safe banner ad on the home screen, never during play
• No tracking, no in-app purchases, no social features
• Track your progress with levels and daily streaks
• Play offline, anytime, anywhere
• Optional free account to sync your progress across your devices

A LITTLE STORY Combine 24 was designed and built by a 10-year-old with a love of numbers — and a little help from AI. We hope it sparks the same joy of math in you and your family.

Grab four cards. Find the 24. How fast can you go?