ClassFlow
Class Flow: Counting Practice
[Free Registration/Login Required] All students use numbers, number systems and equivalent forms (including number words, objects, and graphs) to compute, estimate, and solve theoretical and practical problems.
ClassFlow
Class Flow: Counting to 20
[Free Registration/Login Required] This flipchart is a counting lesson I designed for a Kindergarten classroom. This lesson is an active practice lesson that requires the students to come to the board and count sets.
LM Digital Media
Kids World Fun: Bugs by Numbers by Danielle Bruckert [Pdf]
This rhyming picture book has children counting creatures using numbers 1 to 5.
Other
Teachers first.com: 50 Ideas for the 100th Day of School
Great ideas for "100th Day" activities. Most of these would be a good challenge for upper elementary school students if you want to include them in your 100th Day celebration. Activities include counting, measuring, weighing, sorting,...
Curated OER
Counting Coins
In this Max's Math Adventure, Max and Ruthie learn how to count coins. Features include a teacher's guide, activity page, and extra challenges.