The Maths Blog
Wednesday, 17 April 2013
Wednesday, 13 February 2013
Multiplication Squares
In the
7 | 5 | 35 |
3 | 4 | 12 |
21 | 20 |
15 | |||
108 | |||
224 | |||
144 | 8 | 315 |
Can you work out the arrangement of the digits in the square so that the given products are correct?
Egyptian Rope
The ancient Egyptians were said to make right-angled triangles using a rope which was knotted to make
If you have a rope knotted like this, what other triangles can you make? (You must have a knot at each corner.)What regular shapes can you make - that is, shapes with equal sides and equal angles?
Super Shapes
Each of the following shapes has a value:
Can you discover its value in each problem, if the value of the shapes are being added together?
(a) | ||
(b) | ||
(c) | ||
(d) | ||
(e) |
Friday, 1 February 2013
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