Math B
Classroom Guide
Answer Keys
4–5
Answer Keys
4–6
Math B
SkillsTutor™
Math B
Classroom Guide
Answer Keys
4–7
Answer Keys
4–8
Math B
SkillsTutor™
Math B
Answer Keys
Using Geometry
Lesson 1: Angles
1., 2., 3.
G
F
D
E
A
B
C
4. 75°
5. The vertex of ∠GBC is B.
6. 87°
Lesson 2: Triangles
1. ∠1 + ∠2 + ∠3 = 180°
35° + 45° + ∠3 = 180°
∠3 = 180° – (35° + 45°)
∠3 = 100°
obtuse scalene
2. 60°, 60°, 60°
3. 90°, 45°, 45°
Red
Blue
Green
35°
Purple
Classroom Guide
4–9
Answer Keys
Math B
Lesson 3: Plane Geometric Figures
1.
A. Quadrilateral (Trapezoid), irregular
B. Decagon, regular
C. Hexagon, irregular
D. Nonagon, regular
2.
3. Irregular polygons have at least one side or angle that is not equal to the others.
4. A heptagon has 7 sides. Therefore it has 7 vertices. Below are two heptagons. The left shape is a regular
heptagon. The right shape is an irregular heptagon.
5. Irregular polygons have at least one side or angle that is not equal to the others. This is an irregular
pentagon:
4–10
SkillsTutor™
Math B
Answer Keys
Lesson 4: Solid Geometric Figures
Lesson 5: Congruence and Similarity
B B
yellow
j
j
A red
f
h
f
D black
e
g
C orange
f
h
h
f
f
f
j
l
k
Color Key
e (red) = figures congruent to shape A
g (yellow) = figures congruent to shape B
i (orange) = figures congruent to shape C
k (black) = figures congruent to shape D
Classroom Guide
e
l
i
k
f (blue) = figures similar to shape A
h (green) = figures similar to shape B
j (purple) = figures similar to shape C
l (brown) = figures similar to shape D
4–11
Answer Keys
Math B
Lesson 6: The Coordinate Plane
Lesson 7: Transformations
y
x
x
y
4–12
SkillsTutor™
Math B
Classroom Guide
Answer Keys
4–13
Answer Keys
4–14
Math B
SkillsTutor™
Math B
Classroom Guide
Answer Keys
4–15
Answer Keys
4–16
Math B
SkillsTutor™
Math B
Classroom Guide
Answer Keys
4–17
Answer Keys
4–18
Math B
SkillsTutor™
Assignment Sheets
This section contains an assignment sheet for Math B. The assignment sheet lists the available lessons, quizzes and
tests. The Online Tracking System will monitor your lesson assignments and the lessons, quizzes and tests your
students complete. However, it may be helpful to photocopy an assignment sheet to help you plan lesson assignments or to help your students keep track of the lessons, quizzes and tests they complete.
Classroom Guide
5–1
Assignment Sheets
Math B
Assignment Sheets: Math B
Activity
Date Assigned
Date Completed
Score/Progress
Understanding Numbers
•
Pretest on Understanding Numbers
1
Place Value
2
Numbers and Word Names
Q1
Quiz on Lessons 1 and 2
3
Comparing and Ordering Numbers
4
Changes in Temperature
5
Time Zones
Q2
Quiz on Lessons 3 through 5
•
Posttest on Understanding Numbers
Using Whole Numbers
5–2
•
Pretest on Using Whole Numbers
1
Front-End Estimation
2
Estimation by Rounding
3
Addition
4
Subtraction
Q1
Quiz on Lessons 1 through 4
PS
We’re On Our Way
5
Multiplication
6
Compatible Numbers
7
Division
Q2
Quiz on Lessons 5 through 7
PS
Sweet Treats
8
Equations
9
Patterns and Sequences
Q3
Quiz on Lessons 8 and 9
•
Posttest on Using Whole Numbers
SkillsTutor™
Math B
Assignment Sheets
Assignment Sheets: Math B
Activity
Date Assigned
Date Completed
Score/Progress
Using Geometry
•
Pretest on Using Geometry
1
Angles
2
Triangles
3
Plane Geometric Figures
4
Solid Geometric Figures
5
Congruence and Similarity
6
The Coordinate Plane
7
Transformations
•
Posttest on Using Geometry
Using Decimals
Classroom Guide
•
Pretest on Using Decimals
1
Addition of Decimals
2
Subtraction of Decimals
Q1
Quiz on Lessons 1 and 2
PS
Swim Like A Fish
3
Multiplication of Decimals
4
Division of Decimals
Q2
Quiz on Lessons 3 and 4
PS
What a Deal!
•
Posttest on Using Decimals
5–3
Assignment Sheets
Math B
Assignment Sheets: Math B
Activity
Date Assigned
Date Completed
Score/Progress
Using Fractions and Percents
•
Pretest on Using Fractions and Percents
1
Equivalent Forms
2
Addition of Fractions
3
Subtraction of Fractions
Q1
Quiz on Lessons 1 through 3
PS
Shop ‘Til You Drop
4
Multiplication of Fractions
5
Division of Fractions
PS
Blue-Ribbon Building
6
Percent of a Number
Q2
Quiz on Lessons 4 through 6
•
Posttest on Using Fractions and Percents
Working with Data
5–4
•
Pretest on Working with Data
1
Bar Graphs
2
Graphing Ordered Pairs
Q1
Quiz on Lessons 1 and 2
3
Line Graphs
4
Circle Graphs
Q2
Quiz on Lessons 3 and 4
•
Posttest on Working with Data
SkillsTutor™