April 26, 2016

More algebra with manipulatives

Tags: , , , , , , Subtracting 2 from both sides

by Kathy Kuhl Last time, I began explaining bean algebra—a way to solve linear equations using beans. Manipulatives are simply objects you handle to help you understand a concept. The containers represent the variable x. I labeled mine with post-its. Last week, I showed you how to use beans to model equations like 14 =2x. Click here if […]

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April 19, 2016

Teaching algebra with manipulatives

Tags: , , , , , , Algebra manipulatives show 12=3x

by Kathy Kuhl Teaching parents in Fort Worth last month, I promised to explain bean algebra—a way to solve linear equations using beans. (I learned this when I was a new public school math teacher in 1979, and I cannot remember or find the source. If you know, tell me.) What manipulatives you’ll need Manipulatives are […]

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April 14, 2016

Adding negative numbers using manipulatives

Tags: , , , , ,

by Kathy Kuhl When we teach math, we must show why things are so, or better yet, help our children to discover them for themselves. But how can we show negative numbers with manipulatives—counters or some other tokens that help our kids discover what’s true? It’s easy to show addition and subtraction with positive numbers. […]

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