Sharpen Your Skills

Sharpen your Skills

Practising a mathematical skill doesn't need to be tedious... dust off your angle, algebra and adding fractions skills, and put them to good use solving this set of problems!

Almost One 

Stage: 3 Challenge Level: Challenge Level:1
Choose some fractions and add them together. Can you get close to 1?

Triangles in Circles 

Stage: 3 Challenge Level: Challenge Level:1
Can you find triangles on a 9-point circle? Can you work out their angles?

Cyclic Quadrilaterals 

Stage: 3 and 4 Challenge Level: Challenge Level:1
Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?

The Simple Life 

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2
The answer is $5x+8y$... What was the question?