Mathematics · Beginner
5
questions · ~4 min · 3 hints each (−5 pts)
Confidence tracking, 3-tier hints and instant feedback.
What you'll learn
Each question helps you build key knowledge and skills.
- 1A surd is a square root that does not simplify to a whole number, like √2 or √7.
- 2To simplify a surd, find the largest square factor and take its root out.
- 3Only like surds (the same root) can be added or subtracted directly.
- 4Multiplying surds means multiplying the numbers under the root together.
Question mix
A mix of question types to build your skills.
- Fill the gap×4
- True / False×1
Different question types help you think in different ways.
How it works
A simple 3-step process
- 1
Rate your confidence
Tell us how sure you feel before answering. It helps us understand your starting point.
- 2
Use hints if stuck
Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.
- 3
See what went wrong
Get instant feedback with clear explanations, so you can learn and improve.
Ready when you are
This takes about 4 minutes.