Puzzle
Geometry & measuresPuzzle
Code breaker:Angles in isosceles triangles
Thirteen isosceles triangles with one angle given, drawn to the true angles. The equal sides are not always the two sloping ones, so students have to find the equal angles before they calculate. One per A4.
A free key stage 3 and GCSE geometry and measures puzzle with answers, spec code G6. It goes with the lesson on angles in isosceles triangles.
Lesson
Angles in isosceles triangles
More in Angles and shapes
- Midpoint of a line segmentLesson · Foundation
- Angles as turnsLesson · Support
- Angle factsLesson · Support
- Angle factsLesson · Foundation
- Angles on parallel linesLesson · Support
- Angles on parallel linesLesson · Foundation
- Angles in isosceles trianglesLesson · Common
- Angles in regular polygonsLesson · Foundation
- Properties of quadrilateralsLesson · Support
- Properties of 2D shapesLesson · Support
- Four Fours: midpoint of a line segmentPuzzle
- Ramp up: coordinates and midpointsWorksheet · Foundation
- Revision mat: graphs 1, Foundation BRevision mat · Foundation
- Revision mat: graphs 1, Foundation ARevision mat · Foundation