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Squares from 1 to 40 with Complete Table

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Square 1 to 40 table formula and solved examples

The concept of Square 1 to 40 is essential in mathematics and helps in solving real-world and exam-level problems efficiently. Learning and memorizing the squares of numbers from 1 to 40 provides a strong base for calculations in competitive exams, quick mental maths, and understanding further mathematical concepts. This knowledge is especially useful for students aiming to improve their speed and accuracy in mathematics.


Understanding Square 1 to 40

A square number is the result of multiplying a number by itself. For example, the square of 7 is 49, because 7 × 7 = 49. The list of squares from 1 to 40 includes all the perfect squares between 1² and 40². This concept is widely used in square roots, finding perfect squares, and solving quadratic equations. Square numbers also help in geometry, area calculation, and pattern recognition tasks.


Formula Used in Square 1 to 40

The standard formula to calculate the square of any number ‘n’ is: \( n^2 = n \times n \)


Here’s a helpful table to understand Square 1 to 40 more clearly:


Square 1 to 40 Table

Number (n) Square (n × n) In Words
11One
24Four
39Nine
416Sixteen
525Twenty-five
636Thirty-six
749Forty-nine
864Sixty-four
981Eighty-one
10100One hundred
11121One hundred twenty-one
12144One hundred forty-four
13169One hundred sixty-nine
14196One hundred ninety-six
15225Two hundred twenty-five
16256Two hundred fifty-six
17289Two hundred eighty-nine
18324Three hundred twenty-four
19361Three hundred sixty-one
20400Four hundred
21441Four hundred forty-one
22484Four hundred eighty-four
23529Five hundred twenty-nine
24576Five hundred seventy-six
25625Six hundred twenty-five
26676Six hundred seventy-six
27729Seven hundred twenty-nine
28784Seven hundred eighty-four
29841Eight hundred forty-one
30900Nine hundred
31961Nine hundred sixty-one
321024One thousand twenty-four
331089One thousand eighty-nine
341156One thousand one hundred fifty-six
351225One thousand two hundred twenty-five
361296One thousand two hundred ninety-six
371369One thousand three hundred sixty-nine
381444One thousand four hundred forty-four
391521One thousand five hundred twenty-one
401600One thousand six hundred

This table shows how the pattern of Square 1 to 40 appears regularly in real cases and helps in calculations and finding square roots easily.


How to Calculate Squares from 1 to 40

There are simple ways to find square numbers quickly:

1. Multiply the number by itself. For example, square of 18 is 18 × 18 = 324.

2. Use algebraic identities. For example, to find 23², write 23 as 20 + 3 and use (a + b)² = a² + 2ab + b²:
23² = 20² + 2 × 20 × 3 + 3² = 400 + 120 + 9 = 529

3. Learn patterns for ending digits. For example, numbers ending in 5 always have squares ending in 25.

4. Practice with square number tables like the one above for fast recall in exams.

Worked Example – Solving a Problem

1. What is the area of a square playground if one side is 24 metres?
Step 1: Write down formula for area: Area = side × side.
Step 2: Substitute side = 24.
Step 3: Area = 24 × 24 = 576.
Step 4: Final answer: The area is 576 square metres.

2. Find the square root of 529.
Step 1: 529 is the square of which number?
Step 2: 23 × 23 = 529.
Step 3: So, √529 = 23.

Practice Problems

Try the following for extra practice with square numbers:

1. List all square numbers from 10 to 30.

2. Is 1225 a perfect square?

3. What is the square of 37?

4. Which numbers between 32 and 40 are perfect squares?

Common Mistakes to Avoid

  • Confusing square numbers with multiplying a number by 2 instead of itself.
  • Forgetting to write square numbers in words correctly during exams.
  • Calculating area incorrectly by not squaring the length.

Real-World Applications

The concept of Square 1 to 40 appears in areas such as area calculation (finding the surface of a square/rectangle), computer graphics, and pattern making. Bankers use square numbers for calculating interest, while engineers use them in construction design. Vedantu helps students see how maths applies beyond the classroom and in competitive exams.


We explored the idea of Square 1 to 40, how to calculate it, step-by-step solutions, practice problems, and its use in real-life maths. Practice more with Vedantu to build confidence in squares for exams and everyday applications.


Further Learning on Squares and Square Roots


FAQs on Squares from 1 to 40 with Complete Table

1. What is the square of numbers from 1 to 40?

The squares of numbers from 1 to 40 are the results of multiplying each number by itself, from 1² = 1 to 40² = 1600.

  • 1² = 1
  • 2² = 4
  • 3² = 9
  • 4² = 16
  • 5² = 25
  • 10² = 100
  • 20² = 400
  • 30² = 900
  • 40² = 1600
These values are commonly used in multiplication tables, algebra, and mental maths calculations.

2. How do you calculate the square of a number?

To calculate the square of a number, multiply the number by itself using the formula n × n = n².

  • Example: 7² = 7 × 7 = 49
  • Example: 15² = 15 × 15 = 225
Squaring is a basic arithmetic operation used in algebra, geometry, and number patterns.

3. What is 40 squared?

The square of 40 is 40² = 1600.

  • Calculation: 40 × 40
  • 4 × 4 = 16
  • Add two zeros → 1600
This method works because 40 is 4 × 10, so squaring includes squaring both 4 and 10.

4. Why are square numbers from 1 to 40 important?

Square numbers from 1 to 40 are important because they help in understanding multiplication, algebra, geometry, and number patterns.

  • Used in finding area of a square (Area = side²)
  • Helpful in solving quadratic equations
  • Common in competitive exams and mental maths
Memorising squares up to 40 improves calculation speed and accuracy.

5. What is the pattern in square numbers from 1 to 40?

The pattern in square numbers shows that the difference between consecutive squares increases by consecutive odd numbers.

  • 2² − 1² = 4 − 1 = 3
  • 3² − 2² = 9 − 4 = 5
  • 4² − 3² = 16 − 9 = 7
The pattern follows 3, 5, 7, 9, 11..., which are consecutive odd numbers.

6. How can I easily memorize squares from 1 to 40?

You can memorize squares from 1 to 40 by learning them in groups and practicing patterns regularly.

  • Memorize 1–10 first (1, 4, 9, 16...100)
  • Learn multiples of 10 (20² = 400, 30² = 900, 40² = 1600)
  • Practice writing them daily
Breaking them into smaller sets makes learning square numbers easier.

7. What is the formula for the square of a number?

The formula for the square of a number is n² = n × n.

  • If n = 12, then 12² = 12 × 12 = 144
  • If n = 25, then 25² = 25 × 25 = 625
This formula applies to all natural numbers from 1 to 40 and beyond.

8. What is the difference between a square number and a cube number?

A square number is obtained by multiplying a number by itself once, while a cube number is obtained by multiplying it by itself twice.

  • Square: n² = n × n (Example: 5² = 25)
  • Cube: n³ = n × n × n (Example: 5³ = 125)
Squares relate to area, while cubes relate to volume in geometry.

9. Is 1600 a perfect square?

Yes, 1600 is a perfect square because it equals 40².

  • 40 × 40 = 1600
  • Therefore, √1600 = 40
A perfect square is a number that can be written as n² for some whole number n.

10. How are square numbers from 1 to 40 used in real life?

Square numbers from 1 to 40 are used in calculating area, physics formulas, statistics, and financial calculations.

  • Area of a square: side²
  • Physics formulas like distance calculations
  • Data analysis and variance calculations
Understanding squares improves problem-solving skills in mathematics and real-world applications.