AAA Math
Aaa Math: Counting to 100
An interactive lesson from aaamath.com. The student can learn, practice, play a game, and explore counting to 100.
Khan Academy
Khan Academy: Numbers to 120
Practice finding missing numbers in a list of numbers between 0 and 120. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Counting: Number Names to 100
This site gives different choices about how to write numbers.
NumberNut
Number Nut: Counting Through One Hundred
Counting from one to one hundred is simple when you follow this concise lesson that explores number patterns and counting. This lesson includes two related interactive games that are easy to grasp and provide immediate feedback.