*Subtraction Posts

All About the Abacus: Part One (Plus a DIY Abacus!)

All About the Abacus: Part One (Plus a DIY Abacus!)

An abacus can actually help students learn and practice many mathematical concepts in a very developmentally appropriate way for students in elementary school. Students can practice subitizing, conservation to a number, addition, subtraction, place value, multiplication, division, fractions, and even decimals!

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Math Mights Mania: Introducing Abracus

Math Mights Mania: Introducing Abracus

This week, allow me to introduce Abracus! The second of our Math Mights featured in the Math Mights 8-in-1 Flip Chart: Addition Strategies, Abracus holds a magic wand and uses the strategy of compensation. Many times people confuse the strategies of...

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