The EducationUniverse

Home › Interactives › Mathematics › SURDS Challenge

Mathematics · Number

Surds Challenge, Years 11–12

Randomised scored practice across simplifying surds, surd arithmetic, expanding brackets and rationalising simple and binomial denominators, with feedback withheld until the end. The full interactive is available to licensed Education Universe users.

Years 11–12Challenge

Try interactive

Learning outcomes

Teaching guidance

Use as a self-check after the surds explorer and review the questions most students missed.

Use SURDS Challenge with your class

Start a free 30-day trial with class codes and progress tracking, or talk to us about your school's licence.

Related interactives

Mathematics · Years 8–10

Enigma — Can You Crack the Code?

Students break four intercepted messages: a shift cipher by brute force, a substitution cipher by frequency analysis with real English data, a keyword cipher using…

Mathematics · Years 9–10

Index Laws Challenge

Randomised practice simplifying index-law expressions across multiplication, division, powers, zero and negative indices, with worked solutions and a core or extension…

Mathematics · Years 9–10

Indices & Index Laws Explorer

Students change the base and indices to see each index law expressed as repeated multiplication, covering the multiplication and division laws, powers of powers, and…

Mathematics · Years 7–8

Ratio Challenge

A randomised ratio challenge in which students simplify ratios, find equivalent ratios, scale and share a quantity in a given ratio, using visual ratio bars and…

Mathematics · Year 8

Ratios, Rates & Percentages Active Lab

A companion lab in which students apply ratios, rates, percentages and percentage change to current Tour de France and weather data. The full interactive is available to…

Mathematics · Years 7–9

Ratios, Rates & Percentages Explorer

A guided investigation covering ratio simplification, scaling, unit rates, percentages, discounts and percentage change in real-world contexts. The full interactive is…

SURDS Challenge is one of the licensed interactives in The Education Universe. This page describes it; teachers use it in lessons and classes with a licence or the free trial.