Oklahoma Academic Standards
OK.7.A. Algebraic Reasoning & Algebra (A)
7.A.2. Recognize proportional relationships in real-world and mathematical situations; represent these and other relationships with tables, verbal descriptions, symbols, and graphs; solve problems involving proportional relationships and interpret results in the original context.
7.A.2.2. Solve multi-step problems involving proportional relationships involving distance-time, percent increase or decrease, discounts, tips, unit pricing, similar figures, and other real-world and mathematical situations.
OK.7.GM. Geometry & Measurement (GM)
7.GM.4. Analyze the effect of dilations, translations, and reflections on the attributes of two-dimensional figures on and off the coordinate plane.
7.GM.4.1. Describe the properties of similarity, compare geometric figures for similarity, and determine scale factors resulting from dilations.
7.GM.4.2. Apply proportions, ratios, and scale factors to solve problems involving scale drawings and determine side lengths and areas of similar triangles and rectangles.