a Cube minus b Cube formula [Proof , examples and practice problems]

In this post, you’re going to learn a very important formula a cube minus b cube with proof, examples, and practice problems. First, we will see proof of formula, then solve some examples based on this formula, and at the end, you will get practice problems with answers for practice. To prove a³ – b³ … Read more

Solving square root word problem[Step-by-step]

In this post, you will learn to solve the square root word problems using the long division method. You can use other methods as well, but in this post, we will solve them by the long division method. Q.1 Find the smallest number which when added to 6156 makes it a perfect square. Solution:  Method … Read more

Finding Square root using long division method

In this post, we’re going to solve problems of the perfect square using the long division method. By the way, if you don’t know the basic procedure for finding square root by long division method. Check out this article: Square root using long division method  Q.1 Find the square root of 6084 using the long … Read more

Square root by long division method

In this post, we are going to learn the process to find the square root of the number using the long division method. First, we will understand the concept and solve some examples, and at the end, I have collected some practice problems for you. So, try to solve them  Procedure to find square root … Read more

Worksheet on increase and decrease of percentage| with answer key

 You come across a lot of daily situations where “Increase or decrease of percentage” needed. For example :  News: Price of goods will increase by 2 % from tomorrow The population of the country has increased by 10 % since the last survey  You may heard news about falling GDP by a certain percent in … Read more

Worksheet on percentage | One number as percentage of another

In this post, you’ll get worksheet based on the concept “One number as percentage of another” with the answer.  But before that, let’s understand what it means by one number as a percentage of another? One number as a percentage of another: It means, we find the percentage of any quantity in the term of … 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