logging in or signing up MULTIPLYING 4-DIGIT BY 4-DIGIT NUMBERS S hanameel Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 693 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: June 16, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 1: MULTIPLYING 4-DIGIT BY 4-DIGIT NUMBERS USING MY MATH SHORTCUT RULE 9999 X 9999 1 1 99980001 10000 = reference number (exact multiple of 10) 10000-9999 = 1 10000-9999 = 1 9998 = common cross-difference 9999 - 1 = 9998 9999 - 1 = 9998 1X1 (reduced factors) 1 X 1 = 1 Write down 975 below the equation line, insert three zeroes to even up the expected number of digits in the product which is 8 and annex 1. FINAL ANSWER www.mymathshortcuts.com You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
MULTIPLYING 4-DIGIT BY 4-DIGIT NUMBERS S hanameel Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 693 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: June 16, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 1: MULTIPLYING 4-DIGIT BY 4-DIGIT NUMBERS USING MY MATH SHORTCUT RULE 9999 X 9999 1 1 99980001 10000 = reference number (exact multiple of 10) 10000-9999 = 1 10000-9999 = 1 9998 = common cross-difference 9999 - 1 = 9998 9999 - 1 = 9998 1X1 (reduced factors) 1 X 1 = 1 Write down 975 below the equation line, insert three zeroes to even up the expected number of digits in the product which is 8 and annex 1. FINAL ANSWER www.mymathshortcuts.com