Weather extremes

A shopping center located at Texas 80 near I-35 has high water in the parking lots from the Blanco River flooding in San Marcos,Texas, on Sunday, May 24, 2015. (Rodolfo Gonzalez/Austin American-Statesman via AP) AUSTIN CHRONICLE OUT, COMMUNITY IMPACT OUT, INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM, MAGS OUT

Flooding in San Marcos, Texas

This year has brought torrential rains to Texas after years of severe draught. February was the coldest month ever in much of the midwest and Northeast US.  Pakistan and India have experienced extreme and deadly heat waves.

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.

CCSS:  6.NS.5, 6.NS.6, 6.NS.7,  7.NS.1, 7.SP.3, 7.SP.5

The lesson: extreme-hot-and-cold.pdf

For members we have an editable Word docx and solutions.

extreme-hot-and-cold.docx              extreme-hot-and-cold-solution.pdf

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