Monthly Archives: November 2016

11/9/16- Triangle Congruence Investigation

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Warm-Up 1. ) Create a 2″ segment named AB 2.) Create a 40º angle named angle CDE 3.) Create and label a diagram of two congruent triangles GHI and XYZ. Key ideas from the warm-up: Label with not just the … Continue reading

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11/8/16- Unit 2 Embedded Assessment 1

Students took EA2.1, starting individually for 15 minutes and then working in their groups.

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11/7/16- Transformations Review and Triangle Congruence

We reviewed some key ideas about transformations. key-ideas-for-ea2-1 transformations-review-questions We then took new notes about congruent shapes: Congruent Shapes Two shapes are congruent if all of their corresponding parts are congruent. We identify corresponding parts of two triangles using descriptive … Continue reading

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11/4/16- Congruence through Transformations

Congruent Shapes Two shapes are said to be congruent if there is some rigid transformation or composition of rigid transformations that can map one shape to the other. We practiced this idea on SpringBoard pages 134-136: 1-10 and p. 138: … Continue reading

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11/2/16- Reviewing Transformations

Note- some of the worksheets that were one page in class are separated into two documents here. Click around to get extra practice on whatever you need! describing-transformations-follow-up-question symmetry-with-coordinate-plane symmetry-no-coordinates compositions-of-transformations-4-problems rewriting-and-graphing-transformations graphing-transformations identifying-transformations Students spent time in groups working … Continue reading

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Extra Optional Challenge- Generalizing Rotation Rules

generalizing-rules-for-rotations The goal is to create a general (x,y)-> ______ rule for each graph given the preimage and image points. Note: it will be more complicated than (but related to!) the rules for rotations about the origin, since we are … Continue reading

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11/1/16- Compositions of Transformations

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If I tell you to name the mother of the cousin of the friend of Bob, who do you have to know first, second, third, etc… Recall: f(x) means to evaluate the function f for some value x. If f(x)=3x, … Continue reading

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10/31/16- Transformation Shorthand and Symmetry

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Warm-Up p. 120-121 ALL (1-4) Notes on Transformation Shorthand: We then completed p.124: 11 using the 2 key ideas about rotations (gone over in previous notes 10/27 on this website) We then completed p. 125: 13 a-d. Students used tracing … Continue reading

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10/28/16- PBA 1 Review

We revisited the first PBA taken last week. Students got to see what was expected as a correct answer, and what their rubric scores were.

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