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Thinking Blocks is an interactive tool that helps students model math word problems. Ideal for Grades 1 through 6. Students learn how to create TAPE DIAGRAMS to solve word problems. This resource is a must for every teacher.

Link to the site: http://www.mathplayground.com/thinkingblocks.html

Addition and Subtraction (Grades 1 and 2)

Addition and Subtraction (Grades 2 and 3)

Multiplication and Division (Grades 3 - 5)

Fractions (Grades 4 and 5)

Ratios and Proportions (Grades 6 and 7)

 Generic modeling tool

A list of virtual manipulatives: web-based apps or apps for the iPad. Or BOTH!

https://docs.google.com/document/d/19dza0lsL-3PSJX0_NdMlBl4jvLnAyw90bY0qmCO9PF0/pub

Awesome tasks inspire, educate and empower students to solve very interesting math problems. "Low floor-High ceiling" problems that all students can do!

https://www.youcubed.org/tasks/