The purpose of this task is to promote certain addition strategies that will help students learn to fluently add and subtract within 20. Students will use a number line or magnetic cubes to solve addition problems. Students will be asked...

This activity unit guides students in developing strategies for modeling problems. The task focuses on investigating a cat shelter's claims about the rate of cat population growth. The unit includes a full lesson plan, examples of...

Strategies for basic addition and multiplication are explained here and there are several practice worksheets that can be downloaded.

This activity will test how quickly learners can count objects. The teacher will assemble a variety of groups of objects in a few different forms (examples included). Students will race against the clock to sort the groups of objects...

Looking for best practice instruction for students with cognitive disabilities? This site has an Instructional Resource Guide that provides instructional strategies and evidence-based prompting.