Everything you need to know about Prac2XL — Practice to Excel. Can't find your answer? Get in touch — we're happy to help.
Prac2XL is an adaptive learning platform designed for UK primary school students, starting with maths for Years 2–6 and expanding into spelling, grammar, and vocabulary. Our intelligent system generates unlimited, unique practice questions that adapt to your child's ability level in real-time.
Think of it as a patient, smart, never-tired tutor that knows exactly what your child needs to practise, explains things in kid-friendly language, and builds daily discipline through rewards — never making them feel rushed or behind.
Prac2XL covers UK primary school Years 2–6 (ages 6–11), fully aligned with the National Curriculum. During beta, Years 2–4 are fully available with Years 5–6 coming soon.
We cover Number & Place Value, Addition & Subtraction, Multiplication & Division, Fractions, Decimals & Percentages, Measurement, Geometry, Statistics, and more. Each skill has multiple question types at varying difficulty levels, with hundreds of specific skills tracked.
Why these foundation years matter: Children who build strong skills in Years 2–4 are far better prepared for the rigour of Year 5 grammar entrance and KS2 SATs.
Several research-backed innovations set us apart:
Plus: unlimited unique questions that never repeat, automatic marking, and clear progress tracking across hundreds of skills.
No — Prac2XL complements school learning. Think of it as extra practice for challenging topics, reinforcement of classwork, preparation for upcoming topics, and a tool to keep skills sharp during holidays.
Yes! Prac2XL covers all maths skills in SATs — arithmetic skills, reasoning skills, and word problems. Because we use interleaved practice (mixing skills the way real exams do), your child gets used to identifying what kind of problem they're facing without being told — which is exactly what SATs require.
Prac2XL is currently in invite-only beta. If you have an invitation, the setup is simple: create your parent account, add your child's profile (first name and year level), and they can start practising immediately. No credit card required.
Don't have an invitation? Email support@prac2xl.com to register your interest.
Yes! Each child gets their own personalised learning path, progress tracking, and adaptive difficulty levels under a single parent account.
We recommend 10–15 minutes daily rather than long sessions once a week. Research shows "little and often" builds far better long-term retention than marathon sessions.
Yes! Prac2XL works on desktops, laptops, tablets (iPad, Android), and smartphones. We recommend screens of 7 inches or larger for the best experience. No app download needed — it works in any modern browser.
Your child presses one button. The system reads their performance across every skill they've encountered — which ones are weak, which are strong, which haven't been practised recently — and builds a unique session in under a second.
Every session is a mix of different skills, not 20 questions on the same topic. This is called interleaved practice, and it's how we deliver the 43–76% better retention that research proves. Your child doesn't interleave manually — the system does it for them, every time.
Within that mix, the system gives weak areas 3–4 times more questions than strong areas. A skill your child struggles with might get 6 questions in one session, while a skill they've mastered gets 1. This happens automatically — no parent input needed.
The system also brings back old skills before they fade. Addition from September will reappear in January. Fractions from October will resurface in March. This is how nothing gets forgotten — and when your child nails a skill they haven't seen in months, that's a real confidence moment.
The platform monitors your child's performance and automatically adjusts question difficulty. Struggling? Questions become easier. Excelling? They become more challenging. This keeps your child in their "learning zone" — not too easy, not too hard.
Prac2XL doesn't treat your child as a "Year 4 student." It treats them as an individual with different strengths and gaps across every skill. Personalisation happens at five levels:
The system adapts automatically. If it's too hard, easier questions with helpful hints appear. If it's too easy, difficulty increases naturally. You can also manually adjust difficulty levels from the parent dashboard.
Learn provides AI-generated explanations, worked examples, step-by-step breakdowns, tips and tricks, and common mistakes — all in kid-friendly language. Practice is active problem-solving with immediate feedback and hints.
Hints are gentle nudges in the right direction — not full answers. They're ideal when your child is stuck for 30+ seconds, getting the same type of problem wrong, or needs a strategy reminder. Hints have zero impact on Progression Rating — we want children to use them freely and learn!
Word problems help children understand why maths matters, develop reading comprehension alongside maths skills, learn to extract information from context, and prepare for SATs (which are mostly word problems). All scenarios use age-appropriate, relatable, gender-balanced content.
This is interleaved practice in action! Rather than finishing a skill and moving on forever, Prac2XL revisits skills at increasing difficulty levels. This prevents the "learn and forget" cycle and is proven to improve long-term retention by 43–76%. Addition from September still appears in January — that's a feature, not a bug.
Every skill your child practises is tracked independently through four mastery stages. As they answer questions correctly and consistently, their Progression Rating rises and they advance through the stages:
Think of it like video game levels — as your child practises and improves, their rating goes up and they unlock new challenges. Every child starts at Learner when they first encounter a skill, and progresses at their own pace.
Here's a closer look at what each stage represents and what your child needs to progress:
🌱 Learner (green) — Your child has started practising this skill. They're building early understanding through a mix of easier questions. The system provides more support at this stage, including simpler hints and more multiple-choice questions. To advance to Confident, they need to reach a Progression Rating of 75 or complete 50 questions with at least 60% accuracy.
📚 Confident (blue) — Your child understands the fundamentals and is building fluency. Questions become more challenging, with a mix of multiple choice and typed answers. This is where most of the real learning happens — your child is being stretched at just the right level. To reach Achiever, they need a Progression Rating of 85.
⭐ Achiever (purple) — The skill is considered completed. Your child has demonstrated solid, consistent understanding. This is the main goal for every skill. Questions at this stage are primarily typed answers at higher difficulty. To reach Master, they need a Progression Rating of 95 — which requires sustained excellence.
🏆 Master (gold) — Exceptional achievement. Your child has demonstrated near-perfect accuracy consistently over a significant number of questions. Master is rare by design — it represents true excellence and is something to celebrate!
Confident IS success! The average student has the majority of their skills at Confident stage — and that's completely normal and healthy. Confident means your child understands the skill, is actively improving, and is challenged at the right level.
Master is very rare — and that's by design. 80% of students master fewer than 5 skills. Only the top 2% master more than half the curriculum. Master requires 95%+ accuracy consistently.
Some skills naturally click and Master happens easily. Others are harder and Achiever is excellent. Achiever is the main goal — Master is a bonus that happens naturally in strength areas.
They probably moved to harder questions — that's progress! When the system detects mastery at one level, it increases the challenge. A temporary dip in accuracy means your child has levelled up. Their accuracy will climb again as they master the new difficulty.
Not at all! 45% means they're actively learning something new. Learning happens in the 30–70% zone — that's where real growth occurs. If they were getting 100% on everything, the questions would be too easy and they wouldn't be learning anything new.
Not much at all. We focus on what your child can do now, not mistakes from weeks ago. A rough start is completely normal when learning something new and won't hold them back once they improve.
Progression Rate measures how quickly your child is advancing through mastery stages across their topics. It doesn't just look at whether they got questions right — it tracks whether they're consistently moving from Learner → Confident → Achiever → Master over time.
A steady Progression Rate means your child is building lasting understanding, not just having a good day. A slower rate isn't bad — some skills naturally take longer, and that's completely normal.
You can view your child's Progression Rate in both the parent dashboard and the child's own interface. It's a great way to celebrate steady effort and spot when a child might need encouragement or a change of approach.
Instead of doing 50 addition problems in a row (blocked practice), Prac2XL mixes skills: addition → subtraction → fractions → multiplication. This is called interleaved practice.
Research shows this improves long-term retention by 43–76% compared to blocked practice. It works because it forces your child to actively identify which skill to use — just like in real exams where problems are mixed together.
It feels harder during practice. That slight challenge is productive — researchers call it "desirable difficulty." The cognitive effort strengthens memory.
Yes — extensively. Key findings include:
Interleaved practice has been validated by 40+ years of cognitive science research from leading universities worldwide.
Prac2XL can absolutely do that! While we recommend interleaved practice for best retention, you can select individual skills for focused practice when needed. The platform is flexible — you choose the approach that works for your child.
Free access in exchange for your valuable feedback. As a beta tester, you're helping us identify issues, understand what works for families, and build a better product. Your feedback is incredibly valuable — free access is our thank you.
Estimated 3–6 months. We'll give at least 30 days notice before any changes. You'll never be surprised by sudden charges.
Beta testers will receive exclusive early-bird discounts. You'll have the option to continue with a paid subscription or stop — no obligation. If you choose not to continue, all data is securely deleted per GDPR requirements.
We're considering around £7.99/month for a family plan (up to 3 children) or £4.99/month per child, with an annual discount of 15–20%. Beta testers will receive special discounts as a thank you.
Email us at support@prac2xl.com with what you were trying to do, what happened instead, which skill/question if applicable, and a screenshot if possible. We aim to respond within 24–48 hours.
Common things to report: incorrect answers, grammar mistakes in questions, confusing interface elements, system errors, or difficulty levels that seem off.
Absolutely. We're fully GDPR compliant. No data is sold or shared with third parties. We use secure encryption, collect only minimal data, and you can request full data deletion at any time.
We do NOT collect payment information, full names or addresses, photos, browsing history, or any sensitive personal information.
Prac2XL works on desktops (Windows, Mac, Linux), laptops, tablets (iPad, Android), and smartphones. We recommend a screen of 7 inches or larger and a modern browser (Chrome, Firefox, Safari, Edge). No downloads or installations needed — it's fully web-based.
Email us at support@prac2xl.com. Average response time is 24 hours (usually faster). Beta testers receive priority support.
This is completely normal! Remind them that mistakes are how we learn. Point out that getting harder questions means they're improving. Celebrate effort, not just correct answers. Use the Learn feature to understand concepts, and take breaks if frustration builds.
Typical timeline with consistent daily practice:
Consistency matters more than intensity.
Consider contacting your child's teacher or a specialist if, after 3 months of consistent use, you see no improvement, extreme frustration or maths anxiety, scores consistently below 30% on year-level skills, avoidance or tears around maths, or gaps in foundation knowledge.
We're a small team, but we read every message and respond to everyone.