Geometry Chapter 4
TRY-ANGLES
Date / Assignment / Objectives / VocabularyA 11/9
B 11/12 / Pages 216-223;
13-18 all;
36-38 all / 4.1 Triangle transformations
· Draw, identify and describe transformations in the coordinate plane. / Translation
Rotation
Reflection
Dilation
Isometry
Rigid transformation
A 11/9
B 11/12 / Pages 224-229:
41-43all / 4.2 Classifying Triangles
• Identify the parts of triangles by their parts. / Triangle
Vertex
Leg
Polygon
Sides
Scalene
Isosceles
Equilateral
Right
Acute
Obtuse
Distance formula
A 11/13
B 11/14 / Pages 231-238;
16-23 all;
29-35;41-44 / 4.3 Triangle angle relationships
• Apply the Angle Sum Theorem.
• Apply the Exterior Angle Theorem. / Triangle angle sum theorem
Third angle theorem
Exterior angle theorem
A 11/13
B 11/14 / Pages 239-245:31-35 / 4.4 Congruent Triangles
• Name and label corresponding parts of congruent triangles. / Congruent triangles
Congruence Transformations
CPCTC
A 11/15
B 11/16 / QUIZ 4.1-4.4
A 11/15
B 11/16 / ORIGAMI
Boxes and swans
A 11/26
B 11/27 / Pages 250-256:
8 and 9;
14-20; 27; 28-31 / 4.5 SSS and SAS Congruence
• Use SSS, SAS, postulates to test for
triangle congruence. / SSS
SAS
Congruent triangle constructions
for SSS and SAS
A 11/28
B 11/29 / Pages 260-267:
4-8;11-17;26-29 / 4.6 ASA, AAS and HL
· Use the and ASA ,AAS and HL Theorems to test triangle congruence. / AAS
AAS
HL
A 11/30
B 12/3 / Pages 268-273:
3,4,8,10,11; 24-28 / 4.7 CPCTC
· To use CPCTC to prove parts of congruent triangles congruent / CPCTC
A 12/4
B 12/5 / Pages 279-284:
TBA / 4.8 Introduction to the Coordinate Proof
· To position figures on a coordinate plane to use in coordinate proofs
· To prove geometric concepts using coordinate proofs / Coordinate proofs
A 12/6
B 12/7 / Pages 285-291:
3-10;13-20;
Page 293: 1-12 all / 4.9 Isosceles and Equilateral Triangles
• Use properties of isosceles and equilateral
triangles. / Isosceles triangle theorem
Converse of the isosceles D theorem
A 12/10
B 12/11 / Take Home / Big Quiz
A 12/12
B 12/13 / Chapter 4 Test