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Lesson Notes Reflection 1

This document provides a lesson plan for teaching reflection of plane shapes in the x- and y-axes over a 120 minute period. It outlines the objectives, activities, core points, and evaluation for the lesson. The objectives are for students to state and use the mapping of reflection in the x-axis (y=0) and y-axis (x=0). Activities include demonstrating reflections using graphs and deducing the mappings from examples. Core points covered are using a coordinate grid to draw shapes and their reflections in the x- and y-axes, and stating the mappings for reflection in each axis. Students will be evaluated on correctly plotting and labeling reflections on a graph.

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yaw197
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441 views1 page

Lesson Notes Reflection 1

This document provides a lesson plan for teaching reflection of plane shapes in the x- and y-axes over a 120 minute period. It outlines the objectives, activities, core points, and evaluation for the lesson. The objectives are for students to state and use the mapping of reflection in the x-axis (y=0) and y-axis (x=0). Activities include demonstrating reflections using graphs and deducing the mappings from examples. Core points covered are using a coordinate grid to draw shapes and their reflections in the x- and y-axes, and stating the mappings for reflection in each axis. Students will be evaluated on correctly plotting and labeling reflections on a graph.

Uploaded by

yaw197
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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REFERENCES

Quaye and Sackitey (2016) Core Mathematics for Senior High School

• Student’s book 2, pages 350-401

• Teachers’ Guide, pages 362-374 CLASS: Form 3 WEEK ENDING: 12th April, 2019

DAY/DATE TOPIC OBJECTIVES TEACHING/LEARNING ACTIVITIES CORE POINTS EVALUATION


DURATION SUB-TOPIC RPK TEACHING/LEARNING MATERIALS REMARKS
DURATION TOPIC OBJECTIVE TLMs Using a scale of 2cm to 2 units
120 minutes Rigid Motion By the end of the Graph board, Graph sheets, Square grid papers, on both axes, for −10 ≤ x ≤ 10
lesson, the student Mathematical instruments and −10 ≤ y ≤ 10.
DATE SUB-TOPIC will be able to: On the same graph sheet, draw,
8-12 April, 2019 Reflection of PRE-PRESENTATION indicating clearly vertices and
plane shapes in state and use the Present graphs of plane objects and their reflected coordinates;
the x and y axes mapping of reflection images.
of a point in the x-axis Students describe the lines of reflection in relation to a) 4ABC with vertices
(y = 0) and y-axis the plane objects and their images. A(2, 1), B(5, 1) and C(5, 5)
(x = 0) b) the image 4A1 B 1C 1 of
PRESENTATION 4ABC under reflection in
RPK Use construction approach to obtain the image of Reflection of objects the x −axis (y = 0), where
Students can plot and plane shapes under reflection in the x-axis or y-axis. using construction A → A1 , B → B 1 and
label the vertices of method C → C1 .
plane shapes. Lead students to use the coordinates of both ob-
jects and their images to deduce the mapping for Reflection in the c) the image 4A2 B 2C 2 of
reflection in the line x-axis. x − axis  4ABC under reflection in
x x the y −axis (x = 0), where
→
Students to observe the deduced mapping of reflection y −y A → A2 , B → B 2 and
in the x-axis to deduce the reflection in the line y-axis. C → C2 .

Give students problem to use the mappings for reflec- Reflection in the
tion in the y − axis 
x − axis x −x
→
y − axis y y

POST PRESENTATION
Students state the mapping for reflection in the lines x
and y-axes. Give exercise and assignment.

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