Subtraction Resources

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Shifting the Number Line with Minni and Subbi

Shifting the Number Line with Minni and Subbi

Sisterly love or sibling rivalry? As long as they keep their distance, adjoining twins Minni and Subbi can help students understand the concept of shifting the number line to make numbers friendlier for subtraction.

Introducing…Math Mights Subtraction Strategies!

Introducing…Math Mights Subtraction Strategies!

Introducing...Math Mights Subtraction Strategies! Our Addition Strategies Math Mights posters have been a huge success in the schools that we work with! It’s truly amazing that teachers are not only starting to understand the strategies and how to teach them, but...

Introducing…Professor Barble!

Introducing…Professor Barble!

The bottom line is that kids don’t always feel confident when it comes to story problems. Professor Barble wants to help us understand that reading comprehension is really the essential piece when it comes to problem solving.