Pre-algebra

2 lessons found

Course: Pre-algebra Unit: Geometry

Filter Results

  • Classifying Quadrilaterals

    Geometry

    Students build and refine decision trees to classify objects efficiently with yes/no questions, then apply the thinking to quadrilaterals — grouping by properties and, in CODAP,...

  • Ratios with Similar Triangles

    Geometry

    Students investigate similar right triangles by measuring side lengths and calculating ratios, discovering that equal-angle triangles have proportional sides (consistent...