homework_remembering_te_grade_4-1zwawpi

8-7
Name
Date
Use the visual to fill in each blank.
1. The shaded part of the whole represents:
30 100
____ 30
represents of equal parts
100
and the decimal 0.30 .
3 10
___ 3
represents of equal parts
10
and the decimal 0.3 .
Write an equation to solve each problem.
2. A ladder leans up against a wall, as
shown in the diagram. What angle
measure does the ladder form
with the wall?
180° - 152° = x; 28°
Equations may vary.
152˚
?˚
3. What angle measure does the ladder
form with the ground?
118° + x = 180°; 62°
118˚
?˚
4. Stretch Your Thinking Look around the room.
Describe 3 pairs of parallel line segments you see.
Describe 3 pairs of perpendicular line segments.
Answers will vary. Possible answers are given.
Parallel: 1. the stripes on my shirt
2. the top and bottom edges of my sheet of paper
3. the boards of the hardwood floor
Perpendicular:
1. the top and the side edges of the board
2. the shelf and the side of the bookcase
3. the leg and the top of the desk
© Houghton Mifflin Harcourt Publishing Company
188 UNIT 8 LESSON 7 Parallel and Perpendicular Lines and Line Segments