by robdolphin | Sep 2, 2023 | 2D Shape, Angles, Google Slide Activities, Google Slide Extended Explorations, Quadrilaterals, Symmetry, Triangles

This single resource allows for the consolidation and development of a wide range of mathematical skills and concepts, covering line, angle, shape, symmetry, area and proportionality. It can be used to guide an extended exploration over a number of weeks, supported...
by robdolphin | Aug 5, 2023 | 2D Shape, Angles, Area, Length & Distance, Measurement, Pdf Open-ended Guided Explorations, Pdfs, Polygons, Quadrilaterals, Symmetry, Triangles

An umbrella investigation stimulating a wide variety of explorations into 2-D shapes. Depending on the lines of enquiry that develop, you can then use material from related investigations such as Properties of quadrilaterals, Constructing polygons, Angles in...
by robdolphin | Aug 5, 2023 | 2D Shape, Pdf Open-ended Guided Explorations, Pdfs, Quadrilaterals, Shapes and Angles, Triangles

Constructing shapes with compasses is always great fun because you get pretty patterns. But this investigation goes well beyond regular activities with pupils being given an open-ended challenge to create as many different types of shape as possible using a pair of...
by robdolphin | Aug 5, 2023 | 2D Shape, Angles, Pdf Open-ended Guided Explorations, Pdfs, Quadrilaterals, Shapes and Angles, Triangles

Investigate the angles in different triangles and quadrilaterals and discover the facts about their totals....
by robdolphin | Aug 5, 2023 | 2D Shape, Pdf Open-ended Guided Explorations, Pdfs, Shapes and Angles, Triangles

How many different kinds of triangle are there? Can you have a triangle with two obtuse angles? These and other questions are all explored in this practical investigation using geostrips (or something similar). By the end of the investigation you should be able to...
by robdolphin | Apr 15, 2023 | Area, Length & Distance, Measurement, Pdf Open-ended Guided Explorations, Pdfs, Pythagoras, Resources, Shapes and Angles, Triangles

Have fun making this simple puzzle which very beautifully illustrates Pythagoras’ Theorem that the sum of the squares on two sides of a right-angled triangle = the square on the third side. Make and solve the puzzle and then through measuring areas discover...