Year 5: Sum of angles of a triangle

Year 5: Sum of angles of a triangleYear 5: Sum of angles of a triangle

Many years ago, when I was at Grammar School (Year 7/8) I learnt that the angles of a triangle added up to 180 degrees. Expectations have changed since those days and now Year 5 children measure and draw given angles and calculate missing angles in triangles. To help with this we have just published some great pages on triangles.

Go to Year 5 Geometry

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