NOLAN H. MILLER
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Le téléchargement nécessite un accès à la bibliothèque YouScribe Tout savoir sur nos offres
6
pages
English
Documents
Le téléchargement nécessite un accès à la bibliothèque YouScribe Tout savoir sur nos offres
- dissertation - matière potentielle : award
- dissertation - matière potentielle : title
- expression écrite
- economics departments
- environmental health policy
- national science foundation graduate research fellowship
- health economics
- management science
- health care
- health-care
- research associate
- quality
- economic theory
- economics
Geometry Concepts for Middle School (6 - 8)
Name Read each problem carefully. Answer as many as you can. Write answers clearly. You may write on this test. You may not use a calculator.
In the diagram below, PQ is perpendicular to LM and NO is parallel to RS. Use angles a, b, c, d, or e, to answer questions 1 and 2.
1.List all pairs of complementary angles.
2. Listall pairs of supplementary angles.
R P b a c L
N
d e M
O S Q
In the diagram below, PQ is perpendicular to XY.Answer the next three questions about the diagram.
a 120˚ X
c
3. Howmany degrees in_______ a? P 4. Howmany degrees in b ?_______
10˚ 5. Howmany degrees in c ?_______ b Y Q
Geometry Concepts for Middle School (6 - 8) - Assessment TEAMS Mathematics © 2002 by the Los Angeles County Office of Education
1
6.Use a protractor to draw an acute angle and label the angle measure.
7. Usea protractor to measure the degree of this angle. Record its measure.
In items 8 and 9, use properties of right triangles to calculate the length of the hypotenuse in each right triangle.
8.
_____ units 45° 4 units 45°
4 units
Geometry Concepts for Middle School (6 - 8) - Assessment TEAMS Mathematics © 2002 by the Los Angeles County Office of Education
9.
12
30°
2 units 60°
_____ units
2
In items 10 and 11, use properties of right triangles to calculate the length of the missing side. 10. 11.
12.
6 units 8 units
A
B
units
C
D
7 units
E
units
F
G
Answer the following questions about the figures above.Record the letters of all shapes that answer the question correctly or record “none.”
a) Whichshapes arenotpolygons?
) Whichshapes are quadrilaterals?
c) Whichshapes have at least one pair of parrellel sides?
d) Whichshapes are polyhedrons?
e) Whichshapes have more than two lines of symmetry?
f) Whichshapes have interior angles that add up to 360˚?
g) Whichshapes have all sides congruent?
Geometry Concepts for Middle School (6 - 8) - Assessment TEAMS Mathematics © 2002 by the Los Angeles County Office of Education
_______________
_______________
_______________
_______________
_______________
_______________
_______________
3
In the diagram below,ABC is congruent toDEF. Answer questions 13, 14, 15, and 16. Be sure to label your answers. B D 55° 24 cm.
A
35°
13. What is the measure ofD?
14. What is the length of side BC?
15. What is the measure ofE?
C
F
30 cm.
16. What is the length of side AC? Estimate the degree measure of each angle below, then name the angle. 17.
18.
19.
Geometry Concepts for Middle School (6 - 8) - Assessment TEAMS Mathematics © 2002 by the Los Angeles County Office of Education
measure
measure
measure
name
name
name
4
E
20. Reflect the preimage across the y-axis.
21. Translate the preimage 14 units horizontally.
Geometry Concepts for Middle School (6 - 8) - Assessment TEAMS Mathematics © 2002 by the Los Angeles County Office of Education
5
22. Belowis the top view of a structure. Build the structure shown using cubes. Draw the figure from a 3-dimensional perspective from the front-left corner view. The numbers denote the height of the cube structure.
A
TOP VIEW
FRONT
A
23. Drawthe different views of these cubes as indicated. TOP
FRONT
TOP VIEW
SIDE
FRONT VIEW
Geometry Concepts for Middle School (6 - 8) - Assessment TEAMS Mathematics © 2002 by the Los Angeles County Office of Education
SIDE VIEW
6
