Expanding and Factorising Quadratics - Short Problems

A collection of short Stage 4 problems on expanding and factorising quadratics



Weekly Problem 39 - 2009

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

Can you show this algebraic expression is divisible by 4?

Weekly Problem 45 - 2012

Stage: 4 Challenge Level: Challenge Level:1

There are 10 girls in a mixed class. If two pupils are selected, the probability that they are both girls is 0.15. How many boys are in the class?

Weekly Problem 30 - 2014

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

Weekly Problem 30 - 2014