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Congruence

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Getting Ready Partners A and B Whiteboards

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Learning Objective Today we will identify congruent figures. CFU Key Words Identify Congruent Figures -

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Activating Prior Knowledge Triangles/Quadrilaterals CFU

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Activating Prior Knowledge

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Concept Development Congruence Figures that are the same shape and size are congruent If two figures are congruent, then the corresponding parts of the figure have equal measures. CFU A B C D F G H I

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Concept Development Checking for congruence - Two ways! Tracing Measuring 3cm 4cm 2cm 3cm 4cm 2cm A B

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Importance Windows Quilting Building CST!

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Skill Development Are ABC and DEF congruent? Figures that are the same shape and size are congruent. If two figures are congruent, then the corresponding parts of the figure have equal measures. Two ways to check: Tracing Measuring A B C D EF 60 3”

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Skill Development I’m going to think aloud. Are ABCD and EFGH congruent? Figures that are the same shape and size are congruent. If two figures are congruent, then the corresponding parts of the figure have equal measures. Two ways to check: Tracing Measuring CFU A B C D E F HG 90 3” 6”

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Skill Development Let’s do one together! A B C D E F 90 5cm 12cm 10cm 60 30 60 30

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Skill Dev./Guided Practice Just a couple more A B C D E F G H 90 60 30 40 50 A B D CE F 12cm 18cm 3cm 5cm

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10cm 4cm 5cm 2cm 60 4cm

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Closure Today we identified congruent figures. Figures that are the same shape and size are congruent If two figures are congruent, then the corresponding parts of the figure have equal measures.

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Closure Which two figures are congruent? A B C D E F G H 3cm 5cm A 60 4cm B

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Closure We talked about two ways of checking for congruence? Tracing Measuring We also talked about corresponding parts A B C D E F G H 3cm 5cm

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Independent Practice Page#

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