Short Problems

A collection of short Stage 3 and 4 problems on creating algebraic expressions



Weekly Problem 43 - 2008

Stage: 3 Short Challenge Level: Challenge Level:1

A knitted scarf uses three balls of wool. How many balls of wool do I have at the end of the day?

Weekly Problem 31 - 2009

Stage: 3 Short Challenge Level: Challenge Level:1

Think of any whole number. Each time you perform a sequence of operations on it, what do you notice about the divisors of your answer?

Weekly Problem 2 - 2010

Stage: 2 and 3 Short Challenge Level: Challenge Level:1

Can you solve this 'KANGAROO' alphanumeric subtraction?

Weekly Problem 28 - 2010

Stage: 3 Short Challenge Level: Challenge Level:1

Manipulate one algebraic fraction to solve another.

Weekly Problem 34 - 2011

Stage: 2 and 3 Short Challenge Level: Challenge Level:1

Lauren and Thomas tell their ages in terms of sums of squares. Can you work out how old they really are?

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
Copyright © 1997 - 2012. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.