# Geometry –Triangles: G 5.a; G 5.1, G 5.b; G 5.4; G 6.1,2,3,4

## Presentation on theme: "Geometry –Triangles: G 5.a; G 5.1, G 5.b; G 5.4; G 6.1,2,3,4"— Presentation transcript:

Geometry –Triangles: G 5.a; G 5.1, G 5.b; G 5.4; G 6.1,2,3,4

To assess prior knowledge: have students make circle maps to define the following:
Scalene Isoceles Equilateral Obtuse Acute Right Isoceles triangle

Congruent Triangles Teacher would have S’s create Circle map to define Congruent triangles. They could then compare the different maps made (gallery walk – by posting on back wall of room) and decide “what must be on every map” for it to define Congruent triangles. A sample map is included. (A Circle map for Similar triangles is also included at end – but intended for a later lesson)

A set of points having the
Define Ways to Prove Congruent Triangles Identical AAS SSS CPCTC SAS A set of points having the same size and shape SAS 1:1 correspondence of equality AAA – similar but NOT congruent No SSA Examples Non-Example

Practice with Correspondence
The following multi-flow maps are for practice with identifying triangle parts and correspondence After identifying relationships, (1/2: event - results) then students can pick out the items that cause congruence with rule – (1/2 : results/causes – event=congruence)

Then If If Then <AAS Congruence Sample multi-flow UW = WU
<UTW = <UVW <UWT = <UWV = 90° <UTV = <UVT ∆TUV Sample multi-flow

Can use cards with figures printed on them for kids to sort.
This is intended as a “working map” that kids will complete.

Another example of a working map with S’s filling in blanks for a variety of figures

Corresponding angles =
Corresponding sides = AAS Congruent Equal & Tilde SSS Double Bubble – comparison – similarities & differences

Define Ways to Prove Examples Non-Example AAA
Similar Triangles AAA A set of points having the same shape AAS SSS SAS SAS 1:1 correspondence of Proportionality of sides Examples Non-Example

Rt. Click or Ctrl click to add text
Flow Map - Sequencing

Multi-flow Map– Cause & effect
Effects Causes Event Multi-flow Map– Cause & effect

Brace Map – Whole to part; physical separations

RF: as as Bridge Map – for analogies; always put relating factor

Download ppt "Geometry –Triangles: G 5.a; G 5.1, G 5.b; G 5.4; G 6.1,2,3,4"

Similar presentations