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Mathematics, 8th grade 




1. 
What fraction of the circle is shaded?







2. 
Which angle in the figure has a measure closest to 45 degrees?







3. 
Which picture shows that 2/5 is equivalent to 4/10?





4. 
a = 3 and b = 1. What is the value of 2a + 3(2  b)?





5. 
Which is equivalent to 4x  x + 7y  2y?







6. 
In this diagram, CD = CE. What is the value of x?







7. 
The first pipe is x meters long. The second pipe is y times as long as the first one. How long is the second pipe?





8. 
Amanda wants to paint each face of a cube a different color. How many colors will she need?







9. 
Four students watched the traffic passing their school for 1 hour. This table shows what they saw. Each student drew a graph to show the results. Which graph shows the results correctly?







10. 
According to the graph above, which element forms the second greatest portion of the earth's crust?






