Area and perimeter
This collection contains resources from the website 1001mathproblems.com by Sian Zelbo. Areas and perimeters are presented in different contexts such as puzzles and games. In addition, there are several problems that require spatial reasoning. There are often several different ways to tackle the puzzles. The materials are ideal for use with Key Stage 3 students.
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Half-a-square puzzle
Eight squares with various designs are shown. The challenge is to find which ones have half of the area shaded. This resource is suitable for Key Stage 2.
Invisible square
Four points are given that lie on the sides of an invisible square. The challenge is to draw in the sides of the square. Spatial reasoning is an essential skill for this task. This resource is suitable for Key Stage 3.
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Four paths problem
Four paths are shown connecting opposite corners of a square. Tasks are to work out which is the longest path and which is the shortest path. This resource is suitable for Key Stages 2.
Lattice polygons
A four by four grid is shown. The challenge is to find polygons with an area of exactly two square units. As additional challenges finding different types of triangles is posed as a problem, followed by pentagons and hexagons. The problem can be approached by counting squares, though some knowledge of how to find...
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| Subject(s) | Mathematics |
|---|---|
| Age | 11-14 |
| Published | 2010 to 2019 |
| Published by | |
| Collections | |
| Direct URL | https://www.stem.org.uk/cxew5z |
