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9-12 Integrated Math 2 Unit 2 Lesson 12

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K-5 Math 6-8 Math •9-12 Math

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Integrated Math 1 •Integrated Math 2 Integrated Math 3

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Unit 1 •Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8

Modeling Prompts

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Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 •Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18

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9-12

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Integrated Math 2
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Unit 1
Unit 2
Unit 3
Unit 4
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Unit 6
Unit 7
Unit 8

Modeling Prompts

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Lesson 5
Lesson 6
Lesson 7
Lesson 8
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Lesson 11
Lesson 12
Lesson 13
Lesson 14
Lesson 15
Lesson 16
Lesson 17
Lesson 18

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Unit 2, Lesson 12

Weighted Averages

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Integrated Math 2

Practice

Problem 1

Student Task Statement

Consider the parallelogram with vertices at and . Where do the diagonals of this parallelogram intersect?

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Problem 2

Student Task Statement

What is the midpoint of the line segment with endpoints and ?

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Problem 3

Student Task Statement

Graph the image of triangle under a dilation with center and a scale factor of .

<p>Triangle ABC graphed on coordinate grid. A at 4 comma 2, B at 16 comma 8, C at 13 comma 14. </p>

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Problem 4

from an earlier course

Student Task Statement

A quadrilateral has vertices and . Select the most precise classification for quadrilateral .

quadrilateral
parallelogram
rectangle
square

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Problem 5

ForLesson 7: Evidence, Angles, and Proof

Student Task Statement

Lines and meet at point .

Give an example of a rotation using an angle greater than 0 degrees and less than 360 degrees that takes both lines to themselves. Explain why your rotation works.

<p>Lines AD and EC intersect at point B.</p>

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Problem 6

ForLesson 7: Evidence, Angles, and Proof

Student Task Statement

Lines and are perpendicular. The dashed rays bisect angles and .

Select all statements that must be true:

<p>Lines AB and BC are perpendicular and meet at point B. Dashed rays BF and BE bisect angles ABD and CBD.</p>

Angle is congruent to angle .

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Lesson 12 Resources

Student Materials

Angle is obtuse.

Angle is congruent to angle .

Angle is congruent to angle .

Angle is 45 degrees.