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problem
Tennis Training
14 to 16
After tennis training, Andy, Roger and Maria collect up the balls. Can you work out how many Andy collects?
problem
Tadpoles
14 to 16
The diagram shows a shaded shape bounded by circular arcs. What is the difference in area betweeen this and the equilateral triangle shown?
problem
Relative Time
14 to 16
Albert Einstein is experimenting with two unusual clocks. At what time do they next agree?
problem
Eulerian
14 to 16
Weekly Problem 37 - 2014
Which of the five diagrams below could be drawn without taking the pen off the page and without drawing along a line already drawn?
Which of the five diagrams below could be drawn without taking the pen off the page and without drawing along a line already drawn?
problem
Big Fibonacci
14 to 16
The fifth term of a Fibonacci sequence is 2004. If all the terms are positive integers, what is the largest possible first term?
problem
Fruit Basket Ratio
11 to 14
From two ratios of apples and oranges in a fruit bowl, can you work out how many fruits there are?
problem
Favourite
Number Round Up
5 to 7
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
problem
Neighbourly Addition
7 to 14
I added together some of my neighbours' house numbers. Can you explain the patterns I noticed?