dodecahedron polyhedra

math image

math image

math lessons, help and practice (arithmetic)geometry and math art (fractals, tessellations, polyhedra and more)math gamesThinking puzzles and online jigsaw puzzlesother fun for kids
math spacermath for teachers (resources, support and ideas)math for parents (resources, support, ideas)spike's game zoneCoolmath.commath spacer

 Scratch Addition
  A cool way to add long columns of numbers without messing up!  (page 2 of 6)

math image

As usual, we'll do the ones first...  I'll write out my thinking by each step.  If you don't want to get lost, grab a piece of paper and work the problem with me!!

Here we go!



 

Now, we need to learn what to do with those scratches!

Shoot on over to the next page and we'll do the tens!

 The printing, distribution and/or downloading of these lessons is strictly prohibited. 

Click here to go back to the addition main page

 


.....::::::::::::::: 
HELP SUPPORT COOLMATH  :::::::::::::::.....

:::::::  link to us   :::::::   advertise with us  :::::::
 
 ||  about us  ||  safe surfing  ||  privacy policy  ||  terms of use  ||  copyrights & fair use  ||
||  math  ||  math for ages 13-100  ||  math for kids  ||  math for teachers  ||  math for parents  ||  math games  ||  algebra  ||
||  math help lessons  ||  math practice problems  ||  online math dictionary  ||  algebra books  || math anxiety  ||
||  science  ||  free online games and puzzles  ||  continuing teacher education  ||

Thanks for visiting Coolmath4kids.com
© 1997-2007 Coolmath.com, Inc.