8th Grade Math - Expressions and Equations

CCSS Practice

 





This quiz illustrates the range of difficulty expected by the following Common Core State (CCS) standards:

QuestionCommon Core Standard #
18.EE.1
28.EE.2
38.EE.3
48.EE.4
58.EE.4
68.EE.5
78.EE.6
88.EE.7a
98.EE.7b
108.EE.8b



Question 1:










Question 2: What are the solutions of the equation x2 = 81 ?









Question 3: An insect is 20mm long. If you put such insects in a line, how long is a line made with 10 million of them? Express the result in kilometers.









Question 4: The average growth rate of human hair is equal to 4×10-4m/day. At this rate, a hair grows 8mm in days.



Question 5: 2.1×10-5 + 0.038×10-3 + 0.41×10-4 =














Question 6: Two vehicles travel with constant speeds. Vehicle A speed is given in the graph below, while vehicle B speed is given by the equation vB = 61.2×t, where vB is measured in miles/hour and t is measured in hours.

The faster of the two vehicles is .



Question 7: What is the equation of the line m shown in the coordinate plane below?










Question 8: The equation 2x + 7 + x = 4x - x + 25 has .



Question 9: Solve the following linear equation:










Question 10: Solve the following system of linear equations:

y = 3x
y - x = 1









Press the Submit button to see the results.