8th Grade Worksheet4





In this 8th grade worksheet4, 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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Here is 8th grade worksheet4

1.What is the smallest number by which 256 may be divided so that the quotient is perfect cube?

(A) 2
(B) 3
(C) 4



2.How many digits are there in the square root of 4456321?



(A) 2 digits
(B) 4 digits
(C) 3 digits



3.Find the value of 3x3 - 4x2 + x - 5 when x = -3



(A) -54
(B) -71
(C) -32



4.The perimeter of a rectangle is 52 cm. If its width is 2 cm more than one-third of its length, find the dimensions of rectangle.



(A) 12 cm x 4 cm
(B) 18 cm x 8 cm
(C) 15 cm x 9 cm



5.What must be added to each of the numerator and the denominator of the fraction 7/11 to make it equal to 3/4



(A) 9
(B) 5
(C) 12



6.A line which intersects two or more lines at a distinct points is called a ____________



(A) concurrent
(B) Intersecting
(C) Transversal


7.The opposite angles of a cyclic quadrilateral are _______________



(A) Supplementary
(B) Complementary
(C) None of these



8.In triangle ABC is inscribed in a circle with center O and BC is a diameter, if angle BAC is 50°, find angle ABC.



(A)  50°
(B)  40°
(C)  48°



9.The circumference of a circle is 44 cm.Find its area (use π=22/7)



(A) 154 cm2
(B) 130 cm2
(C) 145 cm2



10. The volume of a right circular cylinder is 1100 cm3 and the radius of its base is 5 cm. Calculate its curved surface area.



(A) 410 cm2
(B) 125 cm2
(C) 440 cm2


These are the questions prepared in the topic 8th grade worksheet4.


Answers

1. 4

2. 4 digits

3. -71

4. 18 cm x 8 cm

5. 5

6. Traversal

7. Supplementary

8. 40°

9. 154 cm2

10. 440 cm2

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