You are here: Home > Entry Class > Core Maths (Entry) > EN-S05-5 > Resources Close All | Expand All Edit Delete - Last Modified By: dna at 19/10/2014 7:17:03 PM Re-cap your understanding of "The sum of angles in a triangle" by clicking here. Card 6D - angle sum of a triangleEdit Delete - Last Modified By: dna at 19/10/2014 7:18:48 PM Click below for more practice with estimating angle sizesEstimating angle size Edit Delete - Last Modified By: dna at 19/10/2014 7:25:21 PM Constructing triangles using a ruler and protractor - click here:Discovery card 6D Edit Delete - Last Modified By: dna at 19/10/2014 7:42:25 PM Want to try some other constructions?Click here