Last updated on June 30th, 2025
A square of a number is the multiplication of a number ‘N’ by itself. Square numbers are used practically in situations like finding the area of a garden or measuring distance on maps. In this topic, we are going to learn about the square numbers from 100 to 1000.
Numbers 100 to 1000, when squared, give values ranging from 10,000 to 1,000,000. Squaring numbers can be useful for solving complex math problems. For example, squaring the number 150 implies multiplying the number by itself. So that means 150 × 150 = 22,500. So let us look into the square numbers from 100 to 1000.
Learning square numbers helps us find the area of two-dimensional shapes like squares. Let’s take a look at the chart of square numbers 100 to 1000 given below. Understanding these values helps in various math concepts like measuring areas and so on. Let’s dive into the chart of squares.
We will be listing the squares of numbers from 100 to 1000. Squares are an interesting part of math, that help us solve various problems easily. Let’s take a look at the complete list of squares from 100 to 1000. Square 100 to 1000 — Even Numbers Square numbers that are divisible by 2 are even. The square of any even number will result in an even number. Let’s look at the even numbers in the squares of 100 to 1000. Square 100 to 1000 — Odd Numbers When you multiply an odd number by itself, the result is also an odd number. When we square an odd number the result will always be odd. Let’s look at the odd numbers in the squares of 100 to 1000. How to Calculate Squares From 100 to 1000 The square of a number is written as N², which means multiplying the number N by itself. We use the formula given below to find the square of any number: N² = N × N Let’s explore two methods to calculate squares: the multiplication method and the expansion method: Multiplication method: In this method, we multiply the given number by itself to find the square of the number. Take the given number, for example, let’s take 120 as N. Multiply the number by itself: N² = 120 × 120 = 14,400 So, the square of 120 is 14,400. You can repeat the process for all numbers from 100 to 1000. Expansion method: In this method, we use algebraic formulas to break down the numbers for calculating easily. We use this method for larger numbers. Using the formula: (a + b)² = a² + 2ab + b² For example: Find the square of 224. 224² = (220 + 4)² To expand this, we use the algebraic identity (a + b)² = a² + 2ab + b². Here, a = 220 and b = 4. = 220² + 2 × 220 × 4 + 4² 220² = 48,400; 2 × 220 × 4 = 1,760; 4² = 16 Now, adding them together: 48,400 + 1,760 + 16 = 50,176 So, the square of 224 is 50,176.
When learning how to calculate squares, there are a few rules that we need to follow. These rules will help guide you through the process of calculating squares. Rule 1: Multiplication Rule The basic rule of squaring a number is to multiply the number by itself. We use the formula given below, to find the square of numbers: N² = N × N For example, 120² = 120 × 120 = 14,400. Rule 2: Addition of progressive squares In the addition of progressive squares, we calculate square numbers by adding consecutive odd numbers. For example, 101² = 10,201 102² = 10,404 = 10,201 + 203 103² = 10,609 = 10,404 + 205 104² = 10,816 = 10,609 + 207 105² = 11,025 = 10,816 + 209. Rule 3: Estimation for large numbers For larger numbers, round them to the nearest simple number, then adjust the value. For example, To square 492, round it to 500 and adjust: 500² = 250,000, then subtract the correction factor 250,000 - (2 × 500 × 8) + 8² 250,000 - 8,000 + 64 = 242,064 Thus, 492² = 242,064.
To make learning squares easier, here are a few tips and tricks that can help you quickly find the squares of numbers from 100 to 1000. These tricks will help you understand squares easily. Square numbers follow a pattern in unit place Square numbers end with these numbers in the one digit 0, 1, 4, 5, 6, or 9. If the last digit of a number is 2, 3, 7, or 8, it cannot be a square number. For example, 225 is a square number that ends with 5, while 256 is also a square number that ends with 6. Even or Odd property The square of an even number will always be even, and the square of an odd number will always be odd. For example, the square of 102 is 10,404 which is even. And the square of 103 is 10,609 which is odd. Adding odd numbers Square numbers can be calculated by adding the odd numbers one after the other. For example, 101² = 10,201 102² = 10,404 = 10,201 + 203 103² = 10,609 = 10,404 + 205 104² = 10,816 = 10,609 + 207 105² = 11,025 = 10,816 + 209.
When learning about squares, it’s natural to make some mistakes along the way. Let’s explore some common mistakes people often make and how you can avoid them. This will help get a better understanding of squares.
Find the square of 213.
The square of 213 is 45,369. 213² = 213 × 213 = 45,369
We can break down 213 × 213 as: 213 × 213 = (210 + 3) × (210 + 3) To expand this, we use the algebraic identity (a + b)² = a² + 2ab + b². Here, a = 210 and b = 3. = 210² + 2 × 210 × 3 + 3² 210² = 44,100; 2 × 210 × 3 = 1,260; 3² = 9 Now, adding them together: 44,100 + 1,260 + 9 = 45,369 So, the square of 213 is 45,369.
Find the square of 492.
The square of 492 is 242,064. 492² = 492 × 492 = 242,064
We can break down 492 × 492 as: 492 × 492 = (500 - 8) × (500 - 8) To expand this, we use the algebraic identity (a - b)² = a² - 2ab + b². Here, a = 500 and b = 8. = 500² - 2 × 500 × 8 + 8² = 250,000 - 8,000 + 64 = 242,064.
Find the square of 500.
The square of 500 is 250,000. 500² = 500 × 500 = 250,000
Since 500 × 500 is a simple multiplication, we directly get the answer: 500 × 500 = 250,000. Thus, the square of 500 is 250,000.
Observe the pattern in square numbers: 100², 101², 102², … 110². Find the pattern in their differences.
The differences follow an odd-number sequence: 201, 203, 205, 207, … This shows that square numbers increase by consecutive odd numbers.
Calculating the squares: 10,000, 10,201, 10,404, 10,609, 10,816, 11,025, 11,236, 11,449, 11,664, 11,881, 12,100 Now, finding the differences: 10,201 - 10,000 = 201, 10,404 - 10,201 = 203, 10,609 - 10,404 = 205, 10,816 - 10,609 = 207,…
Is 450 a perfect square?
450 is not a perfect square.
Perfect squares are numbers that result from squaring whole numbers. If a number lies between two square values, it is not a perfect square. Find the closest squares: 21² = 441, 22² = 484 Since 450 is not equal to any square of a whole number, it is not a perfect square.
Odd square number: A square number that we get from squaring an odd number. For example, 129² is 16,641, which is an odd number. Even square number: A square number that we get from squaring an even number. For example, 144² is 20,736, which is an even number. Perfect square: A number that can be expressed as a product of a number when multiplied by itself. For example, 196 is a perfect square as 14 × 14 = 196. Composite number: A number that has more than two factors and is not a perfect square. For example, 150 is composite but not a perfect square. Square root: The number that produces a specified quantity when multiplied by itself. For example, the square root of 900 is 30, as 30 × 30 = 900.
Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.
: He loves to play the quiz with kids through algebra to make kids love it.