Two Color Counters Virtual Manipulative Brainingcamp

"Although simple,

Visualizing the PRETEND-A-TEN compensation strategy with

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When multiplying, a positive first number tells how many groups to make of the second number. To multiply 3 × (-

A fraction is a number that represents a part of a whole or a set. Activity details: Place 4 yellow

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Product Update! You can now quickly add groups of 5 & 10

Place 12

To multiply integers it is important to understand, rather than just memorize, sign rules. The rules are “signs the same: the answer ...

A number and its opposite form a “zero pair” because their sum is zero. To add integers, create as many zero pairs as possible ...

Learn how to master the "Make a Ten" strategy for addition using

Learn to interpret the products of whole numbers by understanding equal groups with the help of

It's easy to make "addition" visuals with

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