Multiplication of integer worksheet with answer

Q.1 State the sign of the products without actually multiplying the integers 

(i) (-8)×(-3)×(-4)×(-6) 

(ii) (-5)×(-10)×(-9) 

(iii) 1×(-6)×4×(-2) 

Q.2 Find the product of following 

(i) -18×19 

(ii) 100000×1 

(iii) (-1)×537 

(iv) -11×(-11)×(-11) 

Q.3 Find the following products using suitable properties 

(i) 725×(-35)+(-725)×65 

(ii) 8×67×(-125)×(-1) 

(iii) 8225×999+8225 

Read more

Worksheet on interior and exterior angle of polygon with answer

Q.1 Each interior angle of a polygon is 108º. How many sides does it have? Solution: We can solve this problem in two ways  Method: 01  We know, the sum of an interior and an exterior angle in a polygon is always 180º Given: Each interior angle of a polygon is 108º ∴      … Read more

Worksheet on exterior angles of polygon

Important points :  The Sum of exterior angles of an n-sided polygon is 360º. Each exterior angle of n-sided regular polygon = . Let’s solve some problems to understand this concept clearly  Problem:01 Find the measure of x in the given figure : Solution:  We know, the sum of external angles of any polygon is … Read more

Worksheet on polygon angle sum theorem

Note: Sum of all angles of an n-sided polygon is given by =(n-2)×180  Problem: 01 Find the angle measure of x  Problem: 02 What is the sum of all angles of  (i) a hexagon  (ii) an octagon  (iii) a regular 14 sided polygon  Problem: 03 In the following figures, find the value of x. (i) … Read more

Worksheet on square root using factorization method

In this worksheet, you’ll get various problems to solve based on square root using the factorization method. But, if you don’t know, how we find square root using the factorization method, check these posts  Learn to find square root using the factorization method part 1  Finding square root using factorization method with more problems  Q.1 … Read more

Finding square root using ones tens method

Procedure for calculating square root using one’s tens method  Step: 01 The given number should be a perfect square. Step: 02 We all know, perfect square ending with 1,4,6 or 9 have two possible one digits. As you can see in the given table : Step: 03 Select the last two-digit of the given number … Read more

Finding square root using prime factorization method part 2

  Q.1 Find the square root of 625 using the prime factorization method  Solution:  625=5×5×5×5  Make pairs 625=5×5×5×5  √625=√5×5×5×5  √625=5×5 √625=25  Q.2 Find the square root of 144  using the prime factorization method  Solution:  144=2×2×2×2×3×3 Make pairs  144=2×2×2×2×3×3 √144=√2×2×2×2×3×3 √144=2×3×2 √144=12 Q.3 Find the square root of 400 using the prime factorization method  Solution:  400=2×2×2×2×5×5 … Read more