Use the open number line and our lists of temperature extremes to make signed number operations and absolute value sensible. Students compare record high and low temps (integers) and use absolute value in order to always find the positive difference. Subtraction of negatives becomes obvious in this lesson.

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Student develop and use formulas for calculating their water needs.

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NASA and SpaceX plan to launch humans from Kennedy Space Center, Florida, to the International Space Station for the first time since July 11, 2011. This is a more current events activity than mathematical.

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15 activities that support recycling, conserving resources, studying climate change and protecting our planet.

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Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside. Let them combine what they are doing with their families and…

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Last week millions of people marched in hundreds of countries worldwide to demand “climate justice”. Greta Thunberg speaking at World Economic Forum 2018 Choose from any of our 14 activities to let students quantify some of the results of climate…

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Use the extreme cold weather to practice and understand integer subtraction.

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Coronavirus related activities Elementary grade activities Data and probability Ratio, proportion, percent Activities with a wow factor! Artful Math Number sense Weather Two variable relationships (linear, exponential etc) Expressions, equation and systems of equations Geometry Summary activities

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The Niña Columbus Day is a bit of an enigma that used to be celebrated throughout all of the Americas. Indigenous people were not treated well by the European colonization that began with Columbus’s voyage. For that reason, many U.S.states…

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How much snow is that? – How many inches of snow produced that pile? How much snow in volume is on top of the car? How much could that snow weigh? Approximation, snow/water equivalent rates (SWE) 5.MD.C, 6.RP.A, 7.RP.A, 7.EE.B, 7.G, 7.EE.A Snowy…

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When the weather person talks about wind chill did you ever wonder how they calculate that number? In this activity students use the National Weather System chart to gauge wind chill, examine the patterns that correlate increasing wind and/or decreasing…

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Tornadoes have devastated the Great Plains of the U.S. in the last few days. Oklahoma, Texas, Nebraska, Arkansas and Kansas have been brutally hit with these powerful events. Involve your students in a better understanding of the ranking and severity of…

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In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles ……….. crop circles? Many of the crop circles in England appear mysteriously overnight. They are often huge but appear…

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On Thursday evening Leslie and Brian spoke at Boston College as part of the ATMIM (Association of Teachers of Mathematics in Massachusetts) Winter Conference. Our presentation was on making mathematics meaningful to students. We shared, did and discussed math activities…

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