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17
Angles and Lines
Lesson 17.1
Understanding and Identifying Angles
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Check (✓) if an angle is shown.
1.
2.
3.
4.
5.
6.
Extra Practice 3B
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7.
8.
9.
10.
11.
12.
132
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Mark two angles in each shape and object.
Chapter 17 Lesson 17.1
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Lesson 17.2
Right Angles
Classify the angles and fill in the table.
Use
to help you.
A
B
C
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D
E
F
1.
Smaller than
a Right Angle
Right Angle
Larger than a
Right Angle
Extra Practice 3B
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2.
3.
4.
5.
6.
7.
8.
9.
134
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Mark all the right angles in each letter and number.
Chapter 17 Lesson 17.2
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Lesson 17.3
Perpendicular Lines
Name the perpendicular line segments in each figure.
Use a piece of folded paper
1.
to help you.
2.
C
F
G
I
A
H
L
B
J
D
K
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E
Segments
and
Segments
and
Segments
and
Segments
and
3.
P
4.
Q
R
V
S
W
U
U
T
Y
Z
Segments
and
Segments
and
Segments
and
Segments
and
Extra Practice 3B
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Name the perpendicular line segments in each figure.
to help you.
Use a piece of folded paper
5.
B
A
D
F
C
E
6.
J
H
L
M
I
N
O
7.
Q
R
U
S
P
T
V
136
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K
G
Chapter 17 Lesson 17.3
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Lesson 17.4
Date:
Parallel Lines
Use a colored pencil to trace a pair of parallel lines or line segments.
1.
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2.
3.
Extra Practice 3B
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Name the pairs of parallel line segments in each figure.
4.
A
B
D
C
5.
G
H
6.
P
Q
U
R
T
138
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F
E
S
Chapter 17 Lesson 17.4
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Put on Your Thinking Cap!
Complete.
1.
Number
of Sides
Number
of Angles
Number of
Right Angles
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Shape
Extra Practice 3B
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2.
A 3-sided figure
with 1 right angle
3.
A 4-sided figure
with 2 right angles
4.
A 4-sided figure
with 4 right angles
5.
A 6-sided figure
with 3 right angles
140
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Draw each figure on grid paper.
Chapter 17 Put on Your Thinking Cap!
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