Q3, W5: January 31-February 4 Geometry

TeacherKristin Andreason
Subject AreaGeometry Honors
Grade Level8
Week #January 31- February 4
Unit of InstructionUnit 4: Right Triangles and Trigonometry
Standard(s) Taught

MAFS.912.G-SRT.3.7: Explain and use the relationship between the sine and cosine of complementary angles.

MAFS.912.G-SRT.3.8:  Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.

Learning Targets and Learning Criteria
  • calculate sine and cosine ratios for acute angles in a right triangle when given two side lengths.
  •  use a diagram of a right triangle to explain that for a pair of complementary angles A and B, the sine of angle A is equal to the cosine of angle B and the cosine of angle A is equal to the sine of angle B.
  • draw right triangles that describe real world problems and label the sides and angles with their given measures.
  • solve application problems involving right triangles, including angle of elevation and depression, navigation, and surveying.
Classroom Activities


  1. We will take notes on Angles of Elevation and Depression
  2. Students will begin a Scavenger Hunt on Right Triangle Trigonometry


  1. Students will finish the Scavenger Hunt on Right Triangle Trigonometry


  1. We will review for the DIA (next Monday/Tuesday).
  2. We will play a Special Right Triangles Swipe Out Game
  3. We will review similar triangles and trig ratios
  4. We will review Pythagorean Theorem and Pythagorean Inequality Theorem.
Assignments Due
  • Scavenger Hunt on Right Triangle Trigonometry
Additional Resources

All IEP and ESOL accommodations are provided daily.