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problem
Shape Sums
Given some relationships amongst these shapes, how many triangles equal one diamond?
problem
Five-To
The number 2005 is the sum of a sequence of five consecutive positive integers. What is the smallest of these integers?
problem
Table Height
A table has blocks of wood placed on and next to it. Can you work out how tall it is?
problem
Fruit Line-Up
This grocer wants to arrange his fruit in a particular order, can you help him?
problem
Straight Line Spin
Can you draw the graph of $y=x$ after it has been rotated $90$ degrees clockwise about $(1,1)$?
problem
Angular Reflection
Weekly Problem 28 - 2013
Two lines meet at a point. Another line through this point is reflected in both of these lines. What is the angle between the image lines?