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Ex 5.1, 1 (i) - Chapter 5 Class 8 Squares and Square Roots
Last updated at August 14, 2026 by Teachoo
Properties of square numbers
Chapter 5 Class 8 Squares and Square Roots
Concept wise
- Square numbers
-
Properties of square numbers
- Sum of consecutive odd numbers
- Numbers between square numbers
- Pattern Solving
- Finding square of large numbers
- Pythagorean triplets
- Square root
- Finding Square root through repeated subtraction
- Finding Square root through prime factorisation
- Checking if perfect square by prime factorisation
- Smallest number multiplied to get perfect square
- Smallest number divided to get perfect square
- Smallest square number divisible by numbers
- Finding number of digits in square root (without calculation)
- Finding square root by division method - Integers
- Least number subtracted to get a perfect square
- Least number added to get a perfect square
- Finding square root by division method - Decimals
- Statement Questions
Transcript
Ex 5.1, 1 What will be the unit digit of the squares of the following numbers? (i) 81 Unit digit of 812 = Unit digit of 12 = Unit digit of 1 = 1 ∴ Unit digit of square of 81 = 1
