The Multiplier (origin of the algorithm)
Students explore basic algorithms for addition, subtraction, and multiplication. They use models to demonstrate solving two-digit by two-digit multiplication. Students demonstrate vertical formats to solve multiplication problems.
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The Meaning of Multiplying Fractions with Visuals
Suggestions are given for how to address one of the seventh grade Common Core math standards regarding the multiplication of rational numbers. After addressing four real-world scenarios, groups discuss the breaking up of a chocolate...
6th - 8th Math CCSS: Designed
Reasoning about Multiplication and Division and Place Value, Part 1
Help your class make sense of quantities and their relationships. Given is the product of two numbers. It is up to your number crunchers to think about the quantitative relationship when the product is one-tenth or ten times the product...
5th - 7th Math CCSS: Designed
Divide Decimals Using the Standard Algorithm
Go step by step through a division problem and your learners will feel confident with dividing decimals. This video reviews division and the important steps needed when using decimals. Shows a visual understanding of what dividing by a...
4 mins 5th - 7th Math CCSS: Designed