ICT PROJECT

  • HOME
  • MenuItem
  • MenuItem
  • class
    • class VI
    • class VIII
    • class IX
    • class X

Tuesday, 26 January 2016

SQUARES OF NUMBERS FROM 26 THROUGH 50.

SQUARES OF NUMBERS FROM 26 THROUGH 50.

Let A be such a number. Subtract 25 from A to get x. Subtract x from 25 to get, say, a. Then A² = a² + 100x. For example, if A = 26, then x = 1 and a = 24. Hence

26² = 24² + 100 = 676.
Posted by PC SELVARAJ at 09:45
Email ThisBlogThis!Share to XShare to FacebookShare to Pinterest

No comments:

Post a Comment

Newer Post Older Post Home
View mobile version
Subscribe to: Post Comments (Atom)

About Me

PC SELVARAJ
View my complete profile

Blog Archive

  • ▼  2016 (17)
    • ▼  January (17)
      • PREFACE
      • MULTIPLICATION BY 9, 99, 999, ETC.
      • MULTIPLIPLY, THEN SUBTRACT.
      • FASTER ADDITION.
      • FASTER SUBTRACTION.
      • PRODUCT OF NUMBERS CLOSE TO 100
      • PRODUCT OF TWO 2-DIGIT NUMBERS.
      • PRODUCT OF TWO ONE-DIGIT NUMBERS GREATER THAN 5.
      • SQUARES OF NUMBERS THAT END WITH 5.
      • SQUARES OF NUMBERS FROM 51 THROUGH 99.
      • SQUARES OF NUMBERS FROM 26 THROUGH 50.
      • CALCULATE ANY PERCENTAGE FAST!!
      • USING 5’S AND 10’S TO SOLVE 15% – THE TRADITIONAL ...
      • CALCULATING PERCENTAGES FOR TIP – MENTALLY.
      • PERCENTAGE & DECIMAL REVIEW
      • DIVISIBILITY RULES
      • DIVISION TRICKS
  • ►  2015 (3)
    • ►  November (1)
    • ►  May (2)
Picture Window theme. Powered by Blogger.