the TEKS 8.16A Justify the solution Make conjectures from (TEXTEAMS) patterns or sets of “Cover Up.” examples and nonexamples. 8.16B Validate his/her conclusions using mathematical properties and relationships. 8.4A 2,3,6 5 Graph translations and reflections. TAKS Mathematics TAKS Mathematics Generate a different Preparation Grade 8 Preparation Grade 8 representation of data (Region 4) (Region 4) Predict placement before graphing. “Objective 3 given another Selected Response Determine how an ordered pair “Coordinate representation of data Translation 4. changes under a specific Lesson.” Questions,” (such as a table, graph, translation or reflection (under a equation, or verbal given rule). TAKS Mathematics description). Preparation Grade 8 Example: If point A (–3, 2) is (Region 4) 8.6B “Coordinate Graph dilations, translated under the rule (x 5, y), Reflection – Lesson.” reflections, and translations on a what will be the new coordinates of Rethinking Middle coordinate plane. School point A? Justify your answer. Mathematics: 8.7D Geometry Across Locate and name points the TEKS (–8, 2) on a coordinate plane (TEXTEAMS) using ordered pairs of “Translations.” rational numbers. Example: If point B (5, is –7) 8.14D Select tools such as real reflected across the y-axis, what objects, manipulatives, paper/pencil, and will be the coordinates of ? Rethinking Middle technology or techniques School such as mental math, Mathematics: (–5, –7) estimation, and number Geometry Across sense to solve problems. the TEKS
8.16A Make conjectures from patterns or sets of examples and nonexamples. 8.16B Validate his/her conclusions using mathematical properties and relationships. Justify the solution the TEKS (TEXTEAMS) “Cover Up.” 8.4A Generate a different representation of data given another representation of data (such as a table, graph, equation, or verbal description). 8.6B Graph dilations, reflections, and translations on a coordinate plane. 8.7D Locate and name points on a coordinate plane using ordered pairs of rational numbers. 8.14D Select tools such as real objects, manipulatives, paper/pencil, and technology or techniques such as mental math, estimation, and number sense to solve problems. 2,3,6 5 Graph translations and reflections. Predict placement before graphing. Determine how an ordered pair changes under a specific translation or reflection (under a given rule). Example: If point A (–3, 2) is translated under the rule (x – 5, y), what will be the new coordinates of point A? Justify your answer. (–8, 2) Example: If point B (5, –7) is reflected across the y-axis, what will be the coordinates of ? (–5, –7) TAKS Mathematics Preparation Grade 8 (Region 4) “Coordinate Translation Lesson.” TAKS Mathematics Preparation Grade 8 (Region 4) “Coordinate Reflection Lesson.” Rethinking Middle School Mathematics: Geometry Across the TEKS (TEXTEAMS) “Translations.” Rethinking Middle School Mathematics: Geometry Across the TEKS TAKS Mathematics Preparation Grade 8 (Region 4) “Objective 3 Selected Response Questions,” 4.