Commutative Property of Addition Using Skittles

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Generate equivalent expressions using two additive properties. This video focuses on using the associative and commutative properties of addition to combine like terms, simplify expressions, and create equivalent expressions.  Change the sign to multiplication and you can use this for the properties of multiplication as well.

Watch the properties of addition and multiplication in action.

Fraction Models and Array Maker

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Fraction Model Maker

Explore different representations for fractions including improper fractions, mixed numbers, decimals, and percentages. Additionally, there are length, area, region, and set models. Adjust numerators and denominators to see how they alter the representations and models. Use the table to keep track of interesting fractions.  If your students have computers, yell out fractions and have them create the fraction you called.