Skip over navigation
Search by Topic | Tech Help | Thesaurus
  • Home
  • For Students
  • For Teachers
  • Past Issues
  • About Us
  • Register
  • Ask NRICH
  • News
  • Shop
  • Help
  • CPD
  • Contact Us
This month: Stage 1&2Stage 2&3Stage 3&4Stage 5switch to US educational language

Search by Topic

Find articles and problems on the site

Find articles and problems on the site by choosing curriculum topics.
Each problem page displayed gives a list of similar problems and a list of topics to help you find more.
Alternatively see our previous monthly themes.

1. Choose a broad topic

  • Numbers and the Number System

2. Choose a detailed topic

TopicResources availableNumber - generally57Properties of numbers57Reading and writing numbers10Counting60Integers45Countability3Digital roots5Number theory31Representing numbers15Comparing and Ordering numbers52Odd and even numbers54Place value87Rounding3Patterned numbers69Square numbers27Triangle numbers17Cube numbers4Factors and multiples167Divisibility61Common factors19Prime numbers23Prime factors21Positive-negative numbers16Powers & roots47Standard index form/Scientific notation1Factorials11Real numbers2Rational and irrational numbers21Pi3Surds18Infinity6Number bases27Modulus arithmetic45

Report problem with this page

  • get flash player
  • Download Mathematical Fonts for better quality.

Cambridge University logo

Copyright © 2007. University of Cambridge. All rights reserved.

NRICH is part of the family of activities in the Millennium Mathematics Project, which also includes the Plus and Motivate sites.

email: nrich@damtp.cam.ac.uk  

The Queen's anniversary prizes