Jim Dougherty

  • IM / Open Up Grade 6
    • Grade 6: Unit 1 Area and Surface Area
    • Grade 6: Unit 2 Introducing Ratios
    • Grade 6: Unit 3 Unit Rates and Percentages
    • Grade 6: Unit 4 Dividing Fractions
    • Grade 6: Unit 5 Arithmetic in Base Ten
    • Grade 6: Unit 6 Expressions and Equations
    • Grade 6: Unit 7 Rational Numbers
    • Grade 6: Unit 8 Data Sets and Distributions
    • Grade 6: Unit 9  Putting it All Together
  • IM / Open Up Grade 7
    • Grade 7: Unit 1 Scale Drawings
    • Grade 7: Unit 2 Introducing Proportional Relationships
    • Grade 7: Unit 3 Measuring Circles
    • Grade 7: Unit 4 Proportional Relationships and Percentages
    • Grade 7: Unit 5 Rational Number Arithmetic
    • Grade 7: Unit 6 Expressions, Equations and Inequalities
    • Grade 7: Unit 7 Angles, Triangles, and Prisms
    • Grade 7: Unit 8 Probability and Sampling
    • Grade 7: Unit 9 Putting it All Together
  • IM / Open Up Grade 8
    • Grade 8: Unit 1 Rigid Transformations and Congruence
    • Grade 8: Unit 2 Dilations, Similarity, and Introducing Slope
    • Grade 8: Unit 3 Linear Relationships
    • Grade 8: Unit 4 Linear Equations and Linear Systems
    • Grade 8: Unit 5 Functions and Volume
    • Grade 8: Unit 6 Associations in Data
    • Grade 8: Unit 7 Exponents and Scientific Notation
    • Grade 8: Unit 8 – Pythagorean Theorem and Irrational Numbers
    • Grade 8: Unit 9 – Putting It All Together

Grade 8: Unit 2 Dilations, Similarity, and Introducing Slope

This is a compilation of resources built from the IM/Open Up 8th Grade curriculum.

You will have to log in to im.kendallhunt.com with a free teacher account to access .pdf files

Lesson

Video Overview
Lesson PlanSLIDE PRESENTATIONBlackline Masters / GlossaryStudent Task StatementsCool DownCumulative Practice ProblemsAligned VideoKhan Academy Aligned LessonsOptional?
2.1 Projecting and Scaling

8.G.A
lesson plan (pdf)

vocab
Google
Powerpoint
– scale factorDesmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

More Chances
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
Video 1: Dilations (Lessons 1–5)
2.2 Circular Grid

8.G.A
lesson plan (pdf)

vocab
Google
Powerpoint
– dilation
– center of a dilation
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
2.3 Dilations with no Grid

8.G.A
lesson plan (pdf)

vocab
Google
Powerpoint
– dilation
– center of a dilation
– scale factor
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
2.4 Dilations on a Square Grid

8.G.A
8.G.A.3
lesson plan (pdf)

vocab
Google
Powerpoint
Blackline Master

– dilation
– center of a dilation
– scale factor
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Press Pause
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
Lesson 4: Dilations on a square grid
2.5 More DIlations

8.G.A
8.G.A.3
lesson plan (pdf)

vocab
Google
Powerpoint
Blackline Master

– dilation
– center of a dilation
– scale factor
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
2.6 Similarity

8.G.A.2
8.G.A.4
lesson plan (pdf)

vocab
Google
Powerpoint
Blackline Master

– similar
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
Video 2: Similarity (Lesson 6–9)Lesson 6: Similarity
2.7 Similar Polygons

8.G.A.2
8.G.A.4
lesson plan (pdf)

vocab
Google
Powerpoint
Blackline Master

– similar
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
Lesson 7: Similar polygons

Extra practice: Dilations
2.8 Similar Triangles

8.G.A
8.G.A.5
lesson plan (pdf)

vocab
Google
Powerpoint
Blackline Master

– similar
Desmos
Desmos (Combined 8.8 and 8.9)
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
2.9 Side Length Quotients in Similar Triangles

8.G.A
8.G.A.4
lesson plan (pdf)

vocab
Google
Powerpoint
– similarDesmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
Lesson 9: Side lengths quotients in similar triangles
2.10 Meet Slope

8.EE.B.6
lesson plan (pdf)

vocab
Google
Powerpoint
– similar
– slope
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
Video 3: Slope (Lessons 10–12)Lesson 10: Meet slope
2.11 Writing Equations for Lines

8.EE.B.6
8.G.A
lesson plan (pdf)

vocab
Google
Powerpoint
– similar
– slope
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
2.12 Using Equations for Lines

8.EE.B.6
8.G.A
8.G.A.3
lesson plan (pdf)

vocab
Google
Powerpoint
– similar
– slope
Desmos
Desmos (Combined 2.12 and 2.13)
Geogebra
pdf (English)
html (English)
html (Spanish)
pdf (English)

Points to Emphasize
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)
2.13 The Shadows Knows

8.G.A.4
8.G.A.5
lesson plan (pdf)

vocab
Google
Powerpoint
Desmos
Geogebra
pdf (English)
html (English)
html (Spanish)


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 second set of English assessments (marked as set “B”) are copyright 2019 by Open Up Resources, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

Spanish translation of the “B” assessments are copyright 2020 by Illustrative Mathematics, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).