Shapes and Volume

Lesson 15

Math

Unit 3

5th Grade

Lesson 15 of 16

Objective


Classify rectangles based on the presence or absence of sides of equal length, and classify rhombuses based on the presence or absence of right angles. Define squares as quadrilaterals with sides of equal length and all right angles.

Common Core Standards


Core Standards

  • 5.G.B.3 — Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
  • 5.G.B.4 — Classify two-dimensional figures in a hierarchy based on properties.

Foundational Standards

  • 4.G.A.2

Criteria for Success


  1. Understand that a square is a quadrilateral with four sides of equal length and four right angles. 
  2. Sort figures as squares and non-squares. 
  3. Classify squares into a hierarchy based on properties (MP.7).
  4. Understand squares as a subcategory of both rhombuses and rectangles. 
  5. Use and understand the notation to denote right angles.
  6. Use and understand the notation to denote sides of equal length.

Tips for Teachers


Lesson Materials

  • Quadrilateral Venn diagram — These are from Lessons 12-14.
Fishtank Plus

Unlock features to optimize your prep time, plan engaging lessons, and monitor student progress.

Anchor Tasks

25-30 minutes


Problem 1

Here is our Venn diagram from yesterday’s lesson, with an added category label of “squares.” How would you define a square?

Guiding Questions

Create a free account or sign in to access the Guiding Questions for this Anchor Problem.

Student Response

Upgrade to Fishtank Plus to view Sample Response.

References

Institute for Mathematics and Education Photo: Progressions for the Common Core State Standards in Mathematics (Geometry, K-6)5.G.4 (p. 18)

Progressions for the Common Core State Standards in Mathematics (Geometry, K-6), by the Common Core Standards Writing Team is made available by Institute for Mathematics and Education, University of Arizona. © 2007 The Arizona Board of Regents. All contents copyrighted. All rights reserved. Accessed May 17, 2018, 4:49 p.m.. For updates and more information about the Progressions, see http://ime.math.arizona.edu/progressions.

Problem 2

Do you agree or disagree with the following statements? Explain.

a.   All squares are rectangles. Rectangles have four right angles. Therefore, all squares have four right angles. 

b.   No trapezoids are squares. Squares have four sides of equal length. Therefore, no trapezoids have four sides of equal length. 

Guiding Questions

Create a free account or sign in to access the Guiding Questions for this Anchor Problem.

Student Response

Upgrade to Fishtank Plus to view Sample Response.

Problem Set

15-20 minutes


Discussion of Problem Set

  • Look at #2. Why do none of these shapes belong to the category of “square”?
  • Look at #5. What are the advantages and disadvantages of this representation? What about the Venn diagram?

Target Task

5-10 minutes


List one attribute that each of the following pairs of shapes have in common. There may be more than one correct answer. 

a.   Square and rhombus

b.   Square and rectangle

c.   Square and parallelogram

d.   Square and trapezoid

e.   Square and quadrilateral

Student Response

Upgrade to Fishtank Plus to view Sample Response.

Additional Practice


The Extra Practice Problems can be used as additional practice for homework, during an intervention block, etc. Daily Word Problems and Fluency Activities are aligned to the content of the unit but not necessarily to the lesson objective, therefore feel free to use them anytime during your school day.

Word Problems and Fluency Activities

Word Problems and Fluency Activities

Help students strengthen their application and fluency skills with daily word problem practice and content-aligned fluency activities.

Next

Classify triangles based on side and angle measures.

Lesson 16
icon/arrow/right/large

Lesson Map

A7CB09C2-D12F-4F55-80DB-37298FF0A765

Topic A: Volume of Three-Dimensional Figures

Topic B: Classification of Two-Dimensional Shapes

Request a Demo

See all of the features of Fishtank in action and begin the conversation about adoption.

Learn more about Fishtank Learning School Adoption.

Contact Information

School Information

What courses are you interested in?

ELA

Math

Are you interested in onboarding professional learning for your teachers and instructional leaders?

Yes

No

Any other information you would like to provide about your school?

We Handle Materials So You Can Focus on Students

We Handle Materials So You Can Focus on Students

We've got you covered with rigorous, relevant, and adaptable math lesson plans for free