Test 4 Term 3 Alg 2

Objectives, CCSS  4c: students will be able to find the area of a variety of geometric shapes.  Teacher will ensure mastery of finding area of geometric shapes by students.

Topic orderteaching note  Order of Operations worksheet  Area of …students must memorize!  video introduction  Area of Square = s 2  Area of Rectangle = lw  Area of Circle = πr 2  lots of ball throwing bc students must memorize formula

Area of Square A square = s 2

Area of Rectangle A rectangle = lw Area Formula ?? lab Real- world need ? The algebra 2 class at Biloxi High School is planning on remodeling part of their classroom. The amount of paint and carpet needed, along with specific colors and dimensions are specified. How much color or carpet will each section need ? blue room Area total 333 sq ft Length three times wide yellow room Total area 217 sq ft Twice as long as wide pink room Total area 100 sq ft Length is twice as long as width green room Square 100 sq ft **You will turn in tomorrow **You do NOT need calculator to complete**

Area of Circle A circle = πr 2

Teaching note  Prior to lab ensure students can apply Area of Circle formula with demo

Lab: in class; no make-up time  How do you find radius ?  You will need lined paper, or scratch paper and a calculator  SHOW WORK  3 stations, you pick, 5 minutes to finish and be ready to turn in. ItemDiameter Include units Area of Circle formula applied Area of Circle Don’t forget units

helpful website   Area of Circle, Triangle, Square, Rectangle, Parallelogram  le/area-of-circle.php le/area-of-circle.php  Area of circle, formula and illustrated lesson: how to calculate the

Area of Rhombus  A rhombus = ½ d 1 d 2