Tasks, lessons, and assessments aligned with the Common Core

Everything you need for Bridges second edition

Online games for students by NCTM

Learn more about how 3-act tasks engage children in modeling with mathematics and spark their curiosity. Watch some video examples and find tasks you could use in your own classroom.

Use estimation challenges to help students build number sense and improve problem solving skills.

Find examples of 3-act tasks and other fresh ideas for your classroom. This site has links to many resources, including these multiplication cards as well as these geometric subitizing cards.

Resources and games for students and teachers from the author of The Grapes of Math and Math Fables. Create fully customizable *word problems*, access *games* for teaching and learning, and find* free downloads* to support the use of specific strategies.

Instructional tasks, assessments and video resources

Resources for classroom teachers including videos, lessons, tasks, and 'problems of the month'

Get ideas and resources from Marilyn Burns.

Math Reasoning Inventory is an online formative assessment tool developed in part by Marilyn Burns.

Quality standards-based resources for teaching and learning mathematics, including interactive tools for students, brain teasers, games, and instructional support for teachers

Support the learning of mathematics through engaging, thought-provoking problem solving.

Co-founded by Jo Boaler, a professor at Stanford University, the goal of Youcubed "is to inspire, educate and empower teachers of mathematics, transforming the latest research on math learning into accessible and practical forms." Find tasks and resources to help transform your teaching.

This site has powerpoints of the number talk examples from Sherry Parrish's Number Talks book.