2 out of 3
You may have seen magic squares before, but can you work out the missing numbers on this magic star?
2 out of 3
If you know how many books each boy, girl and teddy bear borrowed from the library, can you work out the number of girls?
2 out of 3
Weekly Problem 51 - 2016
Pegs numbered 1 to 50 are placed in a row. Alternate pegs are knocked down, and this process is repeated. What is the number of the last peg to be knocked down?
1 out of 3
Weekly Problem 8 - 2016
Can you work out the size of the angles in a quadrilateral?
1 out of 3
In the diagram, six circles of equal size touch adjacent circles and the sides of the large rectangle. What is the perimeter of the large rectangle?
2 out of 3
Weekly Problem 26 - 2016
A cube has each of its faces covered by one face of an identical cube, making a solid as shown. What is the surface area of the solid?
1 out of 3
Boris' bicycle has a smaller back wheel than front wheel. Can you work out how many revolutions the front wheel made if the back wheel did 120,000?
2 out of 3
Andrew walks along a flat path, then up and down a hill, then back along the path. Is it possible to work out how far he has walked?
3 out of 3
Weekly Problem 15 - 2015
In the diagram, two lines have been drawn in a square. What is the ratio of the areas marked?
2 out of 3
Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?
