Tricky Words vs Mental Math

Tricky Words turns the UK government's official spelling lists into a science-backed practice routine that actually works - no fuss, no forgotten worksheets, no repeating yourself. This app replaces all your flashcards with a clever digital system on your phone. It asks the right words at the right time to ensure optimal learning and speed. OFFICIAL GOVERNMENT WORD LISTS, BUILT IN The National Curriculum specifies exactly which High Frequency Words (HFW) and Common Exception Words (CEW) every child must master from Reception through Year 6. We've built all of them in - over 650 words, organised by year and difficulty. When your child's school sends home a custom list, simply snap a photo, and the app automatically imports it alongside the built-in words. SMARTER PRACTICE WITH BUCKETS We use a proven spaced-repetition system to move words from short-term memory into long-term mastery - the exact same principle used in medical and language training worldwide. Words practised correctly move up through four levels. Mistakes reset a word to the beginning, ensuring it gets the extra attention it needs. The app handles all the scheduling, so you never have to think about which word to test next. REPEAT LIST When a word trips your child up, it goes on the Repeat List and comes back every few words - exactly when it needs reinforcing. Words stay on the list until they're answered correctly, and you can always see what's coming next. TAILORED TO YOUR CHILD Multi-child support means each child has their own library, progress tracker, and word selection. You choose exactly which school years and difficulty levels to include. Mark a word as "Mastered", and it disappears from practice for good. TWO-PHONE MODE If you'd rather not show your child the screen, pair two phones over Wi-Fi or Bluetooth. You control the session on your device while your child sees only a clean display, complete with a fanfare when they get it right.

10 minutes a day to keep your mental math sharp. Whether you're in middle school, in high school, or an adult who wants to reconnect with math, Kalc helps you forge solid mental reflexes, without cramming. Spaced repetition system (SRS): concepts you master space out over time, the ones you miss come back the next day. The method known to deliver the most learning per minute practiced. WHO IT'S FOR · UK students (Year 7-10), US students (Grade 6-9) · Other English-speaking systems (Canada, Australia, Ireland, NZ) · Spanish-speaking students (Spain ESO, Mexico secundaria/preparatoria) · French-speaking students (France, Belgium, Switzerland, Quebec) · Adults who want to get back fluency with mental math Each user picks their school system during onboarding. Content and examples adapt. WHAT KALC COVERS · Multiplication and division (times tables, decimals, signed) · Fractions (simplification, operations, fraction of a whole) · Percentages (calculation, increase, discount, compound change) · Powers and square roots · Algebra and order of operations · Addition and subtraction of signed integers TWO PRACTICE MODES · Zen mode: at your own pace, no pressure, to consolidate the basics · Chrono mode: against the clock, to build speed under exam conditions VISIBLE PROGRESS Every skill has its own level and progress bar. You see exactly where you stand and what's left to master. IN REAL LIFE Every session ends with a concrete example of how this skill serves you day to day: splitting a restaurant tab, reading a paycheck, working out a discount, planning a budget. Mental math is something you actually use. HOME SCREEN WIDGETS Track your progress straight from your iOS home screen, without opening the app. Streak, XP and skills in progress at a glance. MEASURED REMINDERS Up to 5 reminders over the first 3 weeks, off at any time. No spam, no guilt-tripping. ONE-TIME PURCHASE, NO SUBSCRIPTION Kalc is free to download (1 skill available without purchase). Full access unlocks with a single purchase (lifetime or 1 year non-renewing). No traps, no hidden paywall. PRIVACY All your data stays on your device and syncs through your personal iCloud account. No ads, no advertising tracking, no cookies. Kalc is for people who want real progress in mental math. Privacy policy: https://lmtdigitalcreations.com/kalc/privacy.html Terms of use: https://lmtdigitalcreations.com/kalc/terms.html