8.8B connect models of prisms, 8.6A describe the volume formula G.8D find surface areas and G.11D apply the formulas for the cylinders, pyramids, spheres, and V = Bh of a cylinder in terms of its volumes of prisms, pyramids, volume of three-dimensional cones to formulas for volume of base area and its height spheres, cones, cylinders, and figures, including prisms, these objects composite of these figures in pyramids, cones, cylinders, problem situations spheres, and composite figures, to solve problems using 8.6B model the relationship appropriate units of measure between the volume of a cylinder and a cone having both congruent bases and heights and connect that relationship to the formulas 8.7C use pictures or models to 8.6C use models and diagrams to G.5D identify and apply patterns G.9B apply the relationships in demonstrate the Pythagorean explain the Pythagorean theorem from right triangles to solve special right triangles 30-60-90 Theorem meaningful problems, including and 45-45-90 and the special right triangles (45-45-90 Pythagorean Theorem, including and 30-60-90) and triangles Pythagorean triples to solve whose sides are Pythagorean problems triples. 8.7 The student applies mathematical process standards to use Instructional Considerations geometry to solve problems. The student is expected to: Current TEKS New 8th grade TEKS Current TEKS New HS TEKS 2013-14 2014-15
8.8B connect models of prisms, cylinders, pyramids, spheres, and cones to formulas for volume of these objects 8.6A describe the volume formula V = Bh of a cylinder in terms of its base area and its height 8.6B model the relationship between the volume of a cylinder and a cone having both congruent bases and heights and connect that relationship to the formulas G.8D find surface areas and volumes of prisms, pyramids, spheres, cones, cylinders, and composite of these figures in problem situations G.11D apply the formulas for the volume of three-dimensional figures, including prisms, pyramids, cones, cylinders, spheres, and composite figures, to solve problems using appropriate units of measure 8.7C use pictures or models to demonstrate the Pythagorean Theorem 8.6C use models and diagrams to explain the Pythagorean theorem G.5D identify and apply patterns from right triangles to solve meaningful problems, including special right triangles (45-45-90 and 30-60-90) and triangles whose sides are Pythagorean triples. G.9B apply the relationships in special right triangles 30-60-90 and 45-45-90 and the Pythagorean Theorem, including Pythagorean triples to solve problems 8.7 The student applies mathematical process standards to use geometry to solve problems. The student is expected to: Instructional Considerations Current TEKS New 8th grade TEKS 2013-14 2014-15 Current TEKS New HS TEKS