[Math Central Home]

[Return to Grade]

[at Math World]



[Grade 4 Chapter 1 Math World]

Addition and Subtraction Around the World

Internet Links

Following are links to Internet resources that can be used to support instruction of the Math World feature for this chapter.

Thai characters and numerals can be seen and heard at this site. You can also find an online dictionary. This is a good Internet resource for the Thai language.

History of Zero
Here you can find out about the development of the concept of zero, and the history of its written forms.

Mathematics Center | Math Central | Grade 4
Education Place | Site Index

Copyright © 1999 Houghton Mifflin Company. All Rights Reserved.
Terms and Conditions of Use.