


8th Grade Worksheet3
1.What fraction should be added with 4/9 to get 6/17?
2.Find for which value of x is the following equation true? 4^{4x7} = 4 ^{ x  1 }.
3.Express 412 x 10^{ 9} in standard form.
4.Find the value of 5x  6y  8z if x = 2, y = 3 and z = 2.
5.A number is 7 times greater than another number. If their sum is 96, find the numbers.
6.Which of the following are Pythagorean triplet?
7.Which of the following is the cube of the even number?
8.Find the square root of 155.0025
9.The sum of two numbers is 80 and their ratio is 3:5.Find the numbers.
10. Find the angle of x °.
These are the questions on math prepared in 8th grade worksheet3 based on the curriculum of 8th grade.When students do problems which they find in this worksheet, they would get prior experience as how to do test on math. We hope this will be very useful to the students who are in school grade.
Answers 1. 122/153 2. 2 3. 4.12 x 10 7 4. 8 5. 84,12 6. 9,12,15 7. 1728 8. 12.45 9. 30 and 50 10. 57°

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