8th grade math worksheet 1 :
Here we are going to see 10 practice questions of mixed topics. We have been preparing this set of questions in order to test how you understood the topics.
Question 1 :
What is the value of square root of 81?
(A) 81 (B) 3 (C) 9
Question 2 :
Find the area of a right angled triangle, if the radius of the circumcircle is 5 cm and altitude to the hypotenuse is 4 cm.
(A) 20 cm2 (B) 10 cm2 (C) 30 cm2
Question 3 :
The volume of cubical box is 46.656 cubic meters. Find the length of the side of the cubical box.
(A) 3.6 m (B) 5.2 m (C) 7.8 m
Question 4 :
The sum of the digits of a two digit number is 15 and if 9 is added to the number the digits are interchanged. Find the required number.
(A) 78 (B) 87 (C) 96
Question 5 :
In a circle with center O and radius 17 cm, PQ is a chord at a distance of 8 cm from the center. Find the length of the chord.
(A) 30 cm (B) 15 cm (C) 24 cm
Question 6 :
The radius and height of a cylinder are in the ratio 5:7 and its volume is 550 cm³ find its radius.
(A) 5 cm (B) 6 cm (C) 7 cm
Question 7 :
The mean weight of 4 boys is 56 kg and that of 6 girls in 46 kg. find the combined mean weight of 10 students.
(A) 40 kg (B) 36 kg (C) 50 kg
Question 8 :
The arithmetic mean of 8, 10, x and 12 is 9. Find the value of x.
(A) 6 (B) 8 (C) 9
Question 9 :
Find the number of sides of regular polygon whose exterior angle measure of 45 degree.
(A) 6 sides (B) 8 sides (C) 9 sides
Question 10 :
Simplify the expressions and evaluate them as directed.
x (x-3) + 2 for x = 1
(A) 0 (B) 5 (C) 3
2. 20 cm²
3. 3.6 m
6. 5 cm
7. 50 kg
9. 8 sides
After having gone through the stuff given above, we hope that the students would have understood "8th grade math worksheet 1"
Apart from the stuff given above, if you want to know more about "8th grade math worksheet 1", please click here.
Apart from the stuff given on, if you need any other stuff in math, please use our google custom search here.
APTITUDE TESTS ONLINE
ACT MATH ONLINE TEST
TRANSFORMATIONS OF FUNCTIONS
ORDER OF OPERATIONS
Decimal place value worksheets
Area and perimeter
Different forms equations of straight lines
MATH FOR KIDS
HCF and LCM word problems
Word problems on quadratic equations
Word problems on comparing rates
Ratio and proportion word problems
Converting repeating decimals in to fractions