Unit Plan
Khan Academy

Khan Academy: Write Numbers in Written Form

For Students 3rd - 5th Standards
Practice working with whole numbers in written form. For example, "one thousand four hundred three" is the written form of 1403. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Interactive
NumberNut

Number Nut: Numbers and Counting: Numbers One Through One Hundred

For Students Pre-K - 1st Standards
For this activity, the player must read the number words up to one hundred, and click on the correct number symbol from four choices.
Activity
University of Cambridge

University of Cambridge: Nrich: Make 100

For Students 3rd - 5th Standards
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.