8.3 The student applies mathematical process standards to use Instructional Considerations proportional relationships to describe dilations. The student is expected to: Current TEKS New 8th grade TEKS Current TEKS New HS TEKS 2013-14 2014-15 8.3A generalize that the ratio of G.11A use and extend similarity G.7A apply the definition of corresponding sides of similar properties and transformations to similarity in terms of a dilation to shapes are proportional, explore and justify conjectures identify similar figures and their including a shape and its dilation about geometric figures proportional sides and the congruent corresponding angles G.10A use congruence G.3A describe and perform 8.3B compare and contrast the transformations to make transformations of figures in a attributes of a shape and its conjectures and justify properties plane using coordinate notation 8.6B graph dilations, reflections, dilation(s) on a coordinate plane of geometric figures including and translations on a coordinate figures represented on a plane coordinate plane G.11A use and extend similarity 8.3C use an algebraic properties and transformations to representation to explain the explore and justify conjectures effect of a positive rational about geometric figures. scale factor applied to dimensional figures on a coordinate plane with the origin as the center of dilation 8.4 The student applies mathematical process standards to Instructional Considerations explain proportional and non-proportional relationships involving slope. The student is expected to:
8.3 The student applies mathematical process standards to use proportional relationships to describe dilations. The student is expected to: Instructional Considerations Current TEKS New 8th grade TEKS 2013-14 2014-15 Current TEKS New HS TEKS 8.3A generalize that the ratio of corresponding sides of similar shapes are proportional, including a shape and its dilation G.11A use and extend similarity properties and transformations to explore and justify conjectures about geometric figures G.7A apply the definition of similarity in terms of a dilation to identify similar figures and their proportional sides and the congruent corresponding angles 8.6B graph dilations, reflections, and translations on a coordinate plane 8.3B compare and contrast the attributes of a shape and its dilation(s) on a coordinate plane 8.3C use an algebraic representation to explain the effect of a positive rational scale factor applied to figures on a coordinate plane with the origin as the center of dilation G.10A use congruence transformations to make conjectures and justify properties of geometric figures including figures represented on a coordinate plane G.11A use and extend similarity properties and transformations to explore and justify conjectures about geometric figures. G.3A describe and perform transformations of figures in a plane using coordinate notation 8.4 The student applies mathematical process standards to explain proportional and non-proportional relationships involving slope. The student is expected to: Instructional Considerations dimensional