UK Primary Maths · Year 1–6
Meet DumDum — the cuddly monster who makes primary maths click, with clever tricks that stick and free worksheets to print at home. 🟣✨
Why it works
Every DumDum lesson follows the same proven shape teachers use — see it, learn the trick, then practise.
Ten-frames, counters and colourful pictures make each idea concrete before any symbols appear.
Every lesson teaches a real mental-maths strategy — the "why", so answers come fast and stay.
A "your turn" moment in every video, plus a matching printable worksheet to lock it in.
Bright doodles, silly moments and a loveable host mean kids ask to watch the next one.
The lessons
Short, colourful lessons you can watch in order. New episodes added every week.
The most important facts in early maths — two parts that make a whole.
💡 New to DumDum? Start with Learn to Add, then Number Bonds to 10 — it unlocks all the addition tricks that follow.
The journey
DumDum grows with your child — a clear ladder through the whole of UK primary maths.
Counting, number bonds, and adding & subtracting within 20.
Addition strategies, the 2, 5 & 10 times tables, and place value.
The 3, 4 & 8 tables, fractions, and column methods.
All times tables to 12 (with tricks!), and an intro to decimals.
Multi-digit multiplication & division, fractions and percentages.
Ratio, early algebra, and confident problem-solving for SATs.
Practise at home
Printable practice to match each lesson. No sign-up, no email — just download and print.
Fill-in bonds, ten-frames, matching pairs and a brain-buster — the perfect follow-up to the video.
⬇ Download PDFA matching worksheet for every lesson — Make-10, Doubles, Near Doubles and beyond. Check back weekly!
For grown-ups
Built to slot straight into home learning and the classroom.
Our story
DumDum Maths started at a kitchen table — one parent wanting to make maths feel like play instead of a chore. Every lesson is crafted so children don't just get the right answer, they understand why it's right, and remember it. No pressure, no boredom — just a friendly monster, a clever trick, and a big smile when it finally clicks. 🟣
Subscribe so your child never misses a trick — and be first to grab each new worksheet.
▶ Subscribe on YouTube