This is a story about geometry, algebra and many different dimensions, best read with construction paper, scissors and tape on hand.
The use of the letter x as a mathematical unknown is a relatively modern convention. Algebra has been around for a lot longer.
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Manil Suri, University of Maryland, Baltimore County
Nearly four decades after President Ronald Reagan proclaimed the first National Math Awareness Week, math readiness and enrollment in college math programs continue to decline.
In elementary school, algebra involves using mathematical models to represent and analyze mathematical situations.
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Working with moveable pictures can help children learn an algebra rule: Whatever you do to one side of the equation, you need to do to the other. Here’s how teachers or caregivers can lead this.
Inappropriate ways of denoting multiplication are everywhere.
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The Algebra Project – a long-standing initiative to teach algebra to Black students who might not otherwise take it – sprang from Bob Moses’ work as a civil rights activist, a historian recounts.
The proposed maths curriculum would result in a deeper understanding of key concepts. It expects students to explain their maths reasoning rather than present their answer without justification.
In this professor’s class, there are no calculators. Instead, students learn advanced math by talking, drawing pictures, playing with beach balls – and knitting.
Bakhshali manuscript.
Bodleian Libraries, University of Oxford
A new book criticizes how and what American math classes are teaching. Singling out math instruction in this age of high-stakes testing and accountability is unsporting.
Consider a standard pizza box containing a standard circular pizza. How much more would you be willing to pay for a square pizza that filled the box? Clearly the square pizza contains more pizza: but is…