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Ex 5.1, 7 (i) - Chapter 5 Class 8 Squares and Square Roots
Last updated at July 20, 2023 by Teachoo
Sum of consecutive odd 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, 7 Without adding, find the sum. (i) 1 + 3 + 5 + 7 + 9 Total consecutive odd numbers = 5 Thus, n = 5 ∴ Sum = "n" ^2 = 52 = 25 Sum of first n odd numbers = "n" ^2
