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Math (TAG): Apply Understanding of Sides and Angles of Polygons

Suggested Time Frame: 7 Instructional Days

        

Focus TEKS
  • 7.5A generalize the critical attributes of similarity, including ratios within and between similar shapes (S)
  • 7.5C solve mathematical and real-world problems involving similar shape and scale drawings (R)
    Include the following 5th Grade TEKS in the focus work of this unit as problem solving to review these Geometry concepts for STAAR testing.

Classify 2-D Figures (Hierarchies)

  • 5.5 classify two-dimensional figures in a hierarchy of sets and subsets using graphic organizers based on their attributes and properties. – R RC3
Computational Fluency TEKS

Operations Fluency and Representing Ratios and Percents

  • 6.3D add, subtract, multiply, and divide integers fluently (R)
  • 6.3E multiply and divide positive rational numbers fluently (R)
  • 6.4E represent ratios and percents with concrete models, fractions, and decimals (S)
Spiral Review TEKS

Review Measuring Angles from TAG Grade 4

  • 4.7C determine the approximate measures of angles in degrees to the nearest whole number using a protractor; – R RC3
    • 4.7A illustrate the measure of an angle as the part of a circle whose center is at the vertex of the angle that is “cut out” by the rays of the angle. Angle measures are limited to whole numbers; – NT
    • 4.7B illustrate degrees as the units used to measure an angle, where 1/360 of any circle is one degree and an angle that “cuts” n/360 out of any circle whose center is at the angle’s vertex has a measure of n degrees. Angle measures are limited to whole numbers; – NT
    • 4.7D draw an angle with a given measure; – S RC3
    • 4.7E determine the measure of an unknown angle formed by two non-overlapping adjacent angles given one or both angle measures. – S RC3 [including complementary and supplementary angles]