8th Grade Worksheet15





In this 8th grade worksheet15, you can find 10 problems on math which are in the level of 8 th grade.Online math 4 all gives collections of work sheets from all the grades.You may practice each set of worksheets and also you check your answers that will help you to evaluate the knowledge.

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1.Which of the following rational number is equal to 3/8?

(A) 24/64
(B) 6/27
(C) 6/8



2.If x = 2,y=3 and z = -2 find the value of 5x-6y-8z



(A) 5
(B) 8
(C) 12



3.Find the product of the following number 6/18 and 54



(A) 13
(B) 18
(C) 16



4.Find the value of x in 32x 32x= 320



(A) 5
(B) 7
(C) 3



5.Of three numbers, the first is thrice the second and the second is four times the third.If the sum of the three number is 255,find the numbers.



(A) 60,20,4
(B) 180,60,15
(C) 150,50,10



6.The sum of three consecutive number is 99. What are the numbers?



(A) 30,31,32
(B) 32,33,34
(C) 20,21,22



7.The surface area of the cuboid is 256 m2 ,the three sides are in the ratio 3:5:8.Find the dimensions.



(A) 3.9 m ,6.5 m,10.4 m
(B) 1.2 m ,6.65 m,1.4 m
(C) 1.9 m ,0.5 m,1.4 m



8.Find the cube root of -2744



(A) -12
(B) -14
(C) -15



9.James bought a stereo for $4500. He sold it for $4230.Find his loss per cent.



(A) 6 %
(B) 8%
(C) 10 %



10.Find the product of (x+3) (x+5)



(A) x2 + 8x +15
(B) x2 - 8x -15
(C) x2 - 2x +15



These are the questions on math prepared in 8th grade worksheet15 based on the curriculum of 8th grade.Like this worksheet15 we have given more and more worksheets.



Answers
1. 24/64

2. 8

3. 18

4. 5

5. 180,60,15

6. 32,33,34

7. 3.9 m ,6.5 m,10.4 m

8. -14

9. 6%

10. x2 + 8x +15

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