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5th Grade Unit 5: Two-Dimensional Shapes

Page history last edited by Brigit Minden 8 months, 2 weeks ago Saved with comment

 

5th Grade Unit 5: Two-Dimensional Shapes

Unit Driving Question

How do we work with two-dimensional shapes in real-world situations?

 

Essential Questions 

  1. How can you collect information about two-dimensional shapes?

  2. How can we identify similarities and differences in geometric figures?

  3. How do we communicate the outcome of measurement?

  4. What information can we gather from measuring? 

 

 

Big Ideas 

  1. Angle measurements must be used to classify and create triangles. 
  2. The relationship within metric and customary length can be determined based on the unit in order to measure and compare objects. 
  3. Customary and metric measurement can be used to find perimeter. 

 

Technology Resources

These websites could be helpful online components in your teaching of each Framework Unit

Launch Task

1 Lesson 

 

 

Big Ideas for Development Lessons

5 Weeks (approximately 1-2 weeks per big idea) 

Big Idea 1: Angle measurements must be used to classify and create triangles.

OAS-M: 5.GM.1.15.GM.3.1

 Collaborative Engagement

 

Triangle Sort -Sorting activity to engage students in thinking about different types of triangles

 

Key Resources

 

  1. Triangle Classification - Using the same line segment, create multiple types of triangles
  2. What's So Special About Triangles, Anyway? -Three separate lessons on building triangles
  3. Tangling with Triangles - from Georgia Department of Education, focusing on constructing triangles using spaghetti noodles 

 

Big Idea Formative Assessment

 

  1. Triangle assessment

Evidence of Understanding

 

  • Classify angles as acute, obtuse, right, and straight

  • Manipulate a protractor to measure an angle to the nearest degree

  • Classify triangles

  • Construct triangles

  • Identify triangles in various contexts

 

 

Big Idea 2: The relationship within metric and standard customary length can be determined based on the unit in order to measure and compare objects.

OAS-M: 5.GM.3.25.GM.3.35.GM.3.4 

Collaborative Engagement

 

Establish Personal Benchmarks - Includes a collaborative engagement on the importance that unit of measure has on the numerical value and two tasks that include on finding personal referents for customary and metric units

 

Key Resources

 

  1. Worm Measurements - Creative activity that has student compare within metric length measurements
  2. Metric Longs -Activity to discover the relationship between mm, cm, and m
  3. Statue of Liberty -A task for students to understand the relationship between feet and yards and between centimeters and meters
  4. Kangaroo Jumps -Students measure their jumps in in, ft, cm, or meters and create bar graphs to match the data
  5. Zach and His Friends -Comparing customary units of measure 

 

Big Idea Formative Assessment

 

Measurement Formative Assessment -Assess their ability to accurately measure and compare metric and customary length units of measurement

 

Evidence of Understanding 

 

  • Have a personal benchmark of how big is an inch, foot, and yard

  • Have a personal benchmark of how big is a millimeter, centimeter, and meter

  • Know the appropriate tool to measure a certain object

  • Understand that to accurately compare objects the value of the measurement and the unit of the measurement must be known

  • Measure accurately with a measuring tool

 

Big Idea 3: Customary and metric measurement can be used to estimate quantities and determine perimeters of real-world objects.

OAS-M: 5.GM.2.2, 5.GM.3.5*5.GM.3.2*5.N.3.3

Collaborative Engagement

 

Farmer Joe's Farm - Questions to encourage collaborative discussion about perimeter

 

Key Resources

 

  1. My Unique Perimeter - link to Better Lesson website, perimeter lesson written by Sarah Maffei
  2. Wedding Cake Ribbon - Robert Kaplinski 3 ACT lesson for perimeter; suggested to use an overlay of the cake views on a grid paper to help them determine the answers for ACT 3.
  3. Perimeter of Real World Objects - activity that has students use a ruler or yardstick to measure classroom objects and find their perimeter

 

 

Big Idea Formative Assessment

 

1. Perimeter: The Mysterious Connection Assessment  - Finding perimeter by counting side lengths

2. Perimeter Check - Finding perimeter with given side lengths and applying knowledge of perimeter

 Evidence of Understanding 

 

  • Determine the perimeter of a polygon

  • Infer the perimeter of a shape with curved lines and justify your answer

  • *Select the appropriate tools for accurate measurements

  • *Correctly add fractions to calculate perimeter, or subtract fractions to determine a missing side when necessary 

  • Determine accurate tools and units of measure to estimate angles, weight, length, or capacity. 

 

Unit Closure

1 Week (includes time for probes, re-engagement, and assessment)

Re-engagement

 

 1. Window Trim  An activity for teachers to have the opportunity to reteach perimeter, triangles, and measuring with a ruler.

 

 

 

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