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Category: Mathematics -The Elementary Years

Project-Based Learning: Surface Area and Volume Formulas for Rectangular Prisms

Project-Based Learning: Surface Area and Volume Formulas for Rectangular Prisms

This is a fun project I do with fifth graders where students take on the role of Senior Designer at Packagings R Us. They will need to design the perfect box (rectangular prism) for an item that they will be bringing in. Their box will be “shipped” to Australia so they will need to consider the fragility of their item when designing the box and determine appropriate packing material. An extension is to have students do a cost analysis for…

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Equivalent Fractions on the Multiplication Matrix

Equivalent Fractions on the Multiplication Matrix

I’d been staring at equivalent fractions for eons and never knew it. Check out this multiplication matrix filled with them! Way cool! Starting simply, look at the first two rows in the upper left.  The number in the first row (numberator) is ‘1’ and the number in the second row (denominator) is ‘2’.  Those numbers represent the fraction 1/2.  All the numbers in the two rows to the right reflect the equivalent fractions. This works for any two numbers picked…

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