Help Ollie the otter master maths! Ages 5-12. No ads, no tracking, offline play.
Dive into Maths Cove — the ocean maths adventure where every correct answer helps Ollie the sea otter explore a brand-new world!
Maths Cove turns daily maths practice into a treasure hunt. Children solve age-matched questions to clear stages, earn gold coins, unlock mini-games, and battle the boss guarding each ocean world. It's built for children aged 5 to 12 — and built for parents too: no ads, no data collection, and no internet needed.
🌊 A REAL ADVENTURE, NOT A WORKSHEET
• 10 ocean worlds and 100 stages, from sunny Beach Cove to the Primordial Deep
• 4,000 hand-checked questions matched to your child's age
• Epic boss battles — answer correctly to strike, get 3 in a row for a spectacular ultimate attack
• 5 arcade mini-games that unlock as rewards for correct answers
• Bonus rounds and treasure chests packed with surprises
🎯 MATCHED TO YOUR CHILD'S AGE
Pick an age group and every question fits:
• Ages 5-6 — counting, addition & subtraction to 10, shapes, patterns, number bonds
• Ages 7-8 — add/subtract to 100, 2, 5 & 10 times tables, halves & quarters, money, telling the time
• Ages 9-10 — times tables to 12, division with remainders, fractions, decimals, angles, area & perimeter
• Ages 11-12 — long multiplication & division, percentages, ratio, algebra, coordinates, averages, probability
Aligned with the UK National Curriculum and US Common Core.
🎮 PLAY YOUR WAY
• Normal — no time limit, learn at your own pace
• Speed Rush — beat the countdown and earn double coins
• Survival — 3 lives, triple coins, maximum bragging rights
• Practice mode — drill addition, subtraction, multiplication or division at Easy, Medium or Hard
🪙 EARN, COLLECT, DECORATE
• Spend coins on outfits, legendary Ollie skins and gold-boosting potions
• Unlock signature attack moves — water, fire, lightning, wind, earth, ice and more
• Decorate Ollie's Cove with plants, figurines, trophies and treasures you've earned
• Chase achievements and daily streaks
📖 LEARNING THAT STICKS
Every question comes with a clear, kid-friendly explanation of how to work it out — so a wrong answer becomes a lesson, not a dead end. Difficulty adapts as your child plays, and the last questions of each level adjust to keep the challenge just right.
👨👩👧 MADE FOR PARENTS
• NO advertisements — ever
• NO data collection. Nothing leaves your device. No account, no sign-in
• NO internet required — play anywhere, on a plane or in the car
• PIN-protected Parent Dashboard with progress reports and accuracy tracking
• Control sound, accessibility and explanation settings
• Colourblind-friendly mode included
💎 SIMPLE, HONEST PRICING
World 1 is completely free — 11 stages including a boss fight, plus practice mode, mini-games and the shop. One optional one-time purchase unlocks all 10 worlds forever. No subscriptions. No consumable purchases. No pressure.
🦦 MEET OLLIE
Ollie the sea otter is your child's guide, cheerleader and companion. Every star earned, every boss defeated and every treasure found is theirs — and Ollie is always ready with encouragement when a question goes wrong.
Whether your child is counting fish for the first time or tackling percentages before secondary school, Maths Cove makes practice something they ask to do.
Download Maths Cove and start the adventure today!
Questions or feedback? We'd love to hear from you — contact us any time.
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