SS7.3
Demonstrate an understanding of 2-D relationships involving lines and angles.

[CN, R, V, T]

Indicators for this outcome
(a)

Identify and describe examples of parallel line segments, perpendicular line segments, perpendicular bisectors, and angle bisectors in the environment.

(b)

Identify, with justification, line segments on a diagram that are parallel or perpendicular.

(c)

Investigate and explain how paper, pencil, compass, and rulers can be used to construct parallel lines, perpendicular lines, angle bisectors, and perpendicular bisectors.

(d)

Investigate how paper folding can be used to construct parallel lines, perpendicular lines, angle bisectors, and perpendicular bisectors.

(e)

Use technology to construct parallel lines, perpendicular lines, angle bisectors, and perpendicular bisectors.

(f)

Draw a line segment perpendicular to another line segment and explain why they are perpendicular.

(g)

Draw a line segment parallel to another line segment and explain why they are parallel.

(h)

Draw the bisector of a given angle using more than one method and verify that the resulting angles are equal.

(i)

Draw the perpendicular bisector of a line segment using more than one method and verify the construction.

(j)

Use geometric constructions to create a design or picture, and identify the constructions present in the design.

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Open Questions for Rich Math Lessons. Grades 7-9 (WNCP)
The resources in this series provide a range of open questions that cover the various parts of a problem-solving lesson. These questions may be used to discuss math concepts, to provide practice for concepts and skills, to create extra challenges for students or to act as models for developing your own open questions. Each book in the series focuses on a specific strand: Number, Patterns and Relations/Statistics and Probability and Shape and Space.
•  Open Questions for Rich Math Lessons. Grades 7-9, Number Strand
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Media and Formats : Book
Price : $54.95 ea.
Record posted/updated: February 10, 2020
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Elementary and Middle School Mathematics: Teaching Developmentally(5th Canadian ed.)
This professional resource offers suggestions to teach concepts and procedures specific to mathematics in grades K-8 students. There are suggestion to differentiate instruction for English Language Learners, advanced learners, and learners with difficulties. The resource references real experiences and assessment practices to address the foundations of how children learn. This edition focuses on mathematical inquiry through rich tasks and classroom discourse. There is a companion website listed for blackline masters, activities, additional tools and expanded lessons.
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Media and Formats : Book
Price : See publisher.
Record posted/updated: May 18, 2022