The 6th-grade unit on "Enlarged and Reduced Figures" is not a new topic that starts out of nowhere.In 4th grade, students learned about angle sizes while drawing triangles. In 5th grade, they drew ...
properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. Everything you need to deliver a full lesson (or two) to introduce trigonometry through ...
A worksheet on congruent triangles. Students will practice determining whether triangles are congruent by Side-Side-Side (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), or Angle-Angle-Side (AAS) ...