1 / 13

Place Value and Multiplication

Place Value and Multiplication. Place Value & X by 10. 3 2 0. 7 8, 9 5 0. Place Value & X by 10. 2 3 4, 5 6 0. 8 9 0, 1 2 3, 4 5 0. Place Value & X by 10. 8 . 2. 1 0 . 3. When you multiply by ten. The answer gets bigger

Télécharger la présentation

Place Value and Multiplication

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Place Value and Multiplication

  2. Place Value & X by 10 3 2 0 7 8, 9 5 0

  3. Place Value & X by 10 2 3 4, 5 6 0 8 9 0, 1 2 3, 4 5 0

  4. Place Value & X by 10 8 . 2 1 0 . 3

  5. When you multiply by ten • The answer gets bigger • The decimal point moves to the right one place or the numbers move one place to the left 4 6 . 5 . 9

  6. Multiply by 10 - The answer gets bigger 3.52 x 10 = 35.2 4.209 x 10 = 42.09 0.6 0.06 x 10 = 0.0086 x 10 = 0.086

  7. Place Value & X by 100 3, 2 0 0 7 8 9, 5 0 0

  8. Place Value & X by 100 3 4 5, 6 0 0 9 0 1, 2 3 4, 5 0 0

  9. When you multiply by a hundred • The answer gets bigger • The decimal point moves to the right two places or the numbers move two places to the left 4 6 . 5 9 . 3 2 2 8 8 0

  10. Multiply by 100 = 600 • 6 x 100 • 12 x 100 • 25 x 100 • 64 x 100 13.5 x 100 = 1350 = 1200 4.23 x 100 = 423 = 2500 0.16 x 100 = 16 = 6400 0.063 x 100 = 6.3

  11. When you multiply by a thousand • The answer gets bigger • The decimal point moves to the right three places or the numbers move three places to the left . 4 6 5 9 . 3 2 3 2 3 2 5 3 0 5 5

  12. Multiply by 1000 = 6,000 • 6 x 1000 • 12 x 1000 • 25 x 1000 • 64 x 1000 13.5 x 1000 = 13,500 = 12,000 4.23 x 1000 = 4,230 = 25,000 0.16 x 1000 = 160 = 64,000 0.063 x 1000 = 63

  13. When multiplying by 10,100,1000- • I know that the number gets bigger • The place value of each digit is changing or the decimal point is moving 101 =10 102 =10 x 10 =100 103 =10 x 10 x 10 =1000 104 = 10 x 10 x 10 x 10=10000 Can I do this multiply by just looking at it?

More Related