Unit 4
Fractional Lengths in Triangles and Prisms
Lesson 14
Dividing Fractions
Expressions and Equations
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Let’s explore area and volume when fractions are involved.
Unit 4 ● Lesson 14
Learning
Goal
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Area of Triangle
Unit 4 ● Lesson 14 ● Activity 1
Find the area of Triangle A in square centimeters. Show your reasoning.
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Warm-up
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Bases and Heights of Triangles
Unit 4 ● Lesson 14 ● Activity 2
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Volumes of Cubes and Prisms
Unit 4 ● Lesson 14 ● Activity 3
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Volumes of Cubes and Prisms
Unit 4 ● Lesson 14 ● Activity 3
Your teacher will give you cubes that have edge lengths of ½ inch.
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Volumes of Cubes and Prisms
Unit 4 ● Lesson 14 ● Activity 3
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Volumes of Cubes and Prisms
Unit 4 ● Lesson 14 ● Activity 3
6
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Volumes of Cubes and Prisms
Unit 4 ● Lesson 14 ● Activity 3
6
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Volumes of Cubes and Prisms
Unit 4 ● Lesson 14 ● Activity 3
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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Fractional Lengths in Triangles and Prisms
Unit 4 ● Lesson 14
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Lesson Synthesis
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
Unit 4 ● Lesson 14
Learning Targets
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Triangles and Cubes
Unit 4 ● Lesson 14 ● Activity 4
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Cool-down
Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Open Up Resources, with adaptations CC BY Illustrative Mathematics.
This slide deck is copyright 2020 by Kendall Hunt Publishing, https://im.kendallhunt.com/, and is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0), https://creativecommons.org/licenses/by-nc/4.0/.
All curriculum excerpts are under the following licenses:
IM 6–8 Math was originally developed by Open Up Resources and authored by Illustrative Mathematics, and is copyright 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's 6–8 Math Curriculum is available at https://openupresources.org/math-curriculum/.
Adaptations and updates to IM 6–8 Math are copyright 2019 by Illustrative Mathematics, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).
Adaptations to add additional English language learner supports are copyright 2019 by Open Up Resources, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).
The Illustrative Mathematics name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics.
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