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5th Grade Unit 5: Two-Dimensional Shapes
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last edited
by Brigit Minden 8 months, 2 weeks ago
5th Grade Unit 5: Two-Dimensional Shapes
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Unit Driving Question
How do we work with two-dimensional shapes in real-world situations?
Essential Questions
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How can you collect information about two-dimensional shapes?
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How can we identify similarities and differences in geometric figures?
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How do we communicate the outcome of measurement?
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What information can we gather from measuring?
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Big Ideas for Development Lessons
5 Weeks (approximately 1-2 weeks per big idea)
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Big Idea 1: Angle measurements must be used to classify and create triangles.
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OAS-M: 5.GM.1.1, 5.GM.3.1
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Collaborative Engagement
Triangle Sort -Sorting activity to engage students in thinking about different types of triangles
Key Resources
- Triangle Classification - Using the same line segment, create multiple types of triangles
- What's So Special About Triangles, Anyway? -Three separate lessons on building triangles
- Tangling with Triangles - from Georgia Department of Education, focusing on constructing triangles using spaghetti noodles
Big Idea Formative Assessment
- Triangle assessment
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Evidence of Understanding
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Classify angles as acute, obtuse, right, and straight
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Manipulate a protractor to measure an angle to the nearest degree
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Classify triangles
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Construct triangles
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Identify triangles in various contexts
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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.
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OAS-M: 5.GM.3.2, 5.GM.3.3, 5.GM.3.4
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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
- Worm Measurements - Creative activity that has student compare within metric length measurements
- Metric Longs -Activity to discover the relationship between mm, cm, and m
- Statue of Liberty -A task for students to understand the relationship between feet and yards and between centimeters and meters
- Kangaroo Jumps -Students measure their jumps in in, ft, cm, or meters and create bar graphs to match the data
- 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
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Evidence of Understanding
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Have a personal benchmark of how big is an inch, foot, and yard
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Have a personal benchmark of how big is a millimeter, centimeter, and meter
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Know the appropriate tool to measure a certain object
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Understand that to accurately compare objects the value of the measurement and the unit of the measurement must be known
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Measure accurately with a measuring tool
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Big Idea 3: Customary and metric measurement can be used to estimate quantities and determine perimeters of real-world objects.
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OAS-M: 5.GM.2.2, 5.GM.3.5, *5.GM.3.2, *5.N.3.3
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Collaborative Engagement
Farmer Joe's Farm - Questions to encourage collaborative discussion about perimeter
Key Resources
- My Unique Perimeter - link to Better Lesson website, perimeter lesson written by Sarah Maffei
- 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.
- 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
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Evidence of Understanding
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Determine the perimeter of a polygon
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Infer the perimeter of a shape with curved lines and justify your answer
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*Select the appropriate tools for accurate measurements
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*Correctly add fractions to calculate perimeter, or subtract fractions to determine a missing side when necessary
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Determine accurate tools and units of measure to estimate angles, weight, length, or capacity.
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Unit Closure
1 Week (includes time for probes, re-engagement, and assessment)
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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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5th Grade Unit 5: Two-Dimensional Shapes
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