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Learning resources brought to you by Tucson Unified's Curriculum and Instruction

We've provided a rich selection of free, fun online learning sources in English language arts (ELA), math, science, and visual arts to supplement your learning. These are organized by grade level. Click the grade level for your child to get started!

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This page contains a "menu" of lessons and activities for this week. You will find the objectives: the specific skills that you work on. Then you will find a selection of lessons and activities which help you practice and master those skills. If you run into technical issues or other difficulties with any of these, simply move on and choose another.

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Geometry - Week Five

Printable Version of this lesson board in PDF format

High School Geometry

Week 5 May 4-May 8

Weekly Packet

Math Objectives: Students will be able to: 

  • Solve surface area problems about pyramids, cones, and spheres. 
  • Know what 3D shape is created by rotating a 2D shape. 

IXL 
 (use Clever to Access IXL) 
Your goal is a minimum Smart Score of 80 
Geometry: T.3 – Surface area of pyramids and cones 
Geometry: T.4 – Surface area of spheres  

Foundational Practice - Other Grade Levels 
(7th gr) AA.12  – Surface Area of Pyramids (Triangular and rectangular bases.) 
(8th gr) T.13 – Surface Area of Cones.   

Explanation Websites: 
Khan Academy: Formula Review for Volumes of Geometric Solids 
Math is Fun: Pyramids ,  Cones Spheres (these all have embedded practice) 
Examples showing how to calculate the surface area of cones and the surface area of pyramids

Activities/Projects/Extensions 
Create your own Cube from Pyramids 

  1. Video of Pyramids that Make a Cube 
  2. Create your own cube by making three Pyramids: Pyramid Net 
  3. Upload Selfie with your pyramids. 
  4. Here are nets for some of the other pyramid types shown in the video. Square PyramidTriangular Pyramid 

Independent Practice 
Kuta Problem Set #1: Surface Area of pyramids and cones. (Answers included) 

Kuta Problem Set #2: Surface Area of spheres. *ONLY Questions 1-8. (Answers included) 

Self-Check/Formative Assessment 

Quizizz – Practice on surface area of pyramids, cones, and spheres. 

Key Vocabulary / Formulas/ Things to Remember

Surface Area - the sum of the areas of each surface of a three dimensional solid. 
Cone – a solid figure with a circle for a base and a lateral surface that is curved with a vertex or apex. 
Height - The distance from one base of the solid to the other. 
Cross Section – the two-dimensional shape created by slicing a solid figure. 

Base - The geometric figure that distinguishes the prism or pyramid. 
Pyramid – a polyhedron with a polygon base and all lateral faces triangles with a common vertex. 
Net of a solid – The connected two-dimensional shapes that would fold to create the exterior of a three dimensional solid. 
Sphere – A solid figure created by the collection of points equidistant from a center point. 

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