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.

# 14 search results for "weather"

## Weather

## Earth Day 2021

## 8 cold and snowy activities

## Wind chill

Students use the National Weather System chart to gauge wind chill, examine the patterns that correlate increasing wind and/or decreasing temperatures, use wind chill numbers to estimate possible wind and temperature factors, and generally become familiar with this sort of interpolation and calculation.

## How much water should you be drinking?

## May 27^{th} launch from the U.S. again

## Steepness and Fall hiking

## Climate justice – 14 activities

## V-o-r-t-e-x

## Some of our users’ favorite activities

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

## Columbus’s progression across the Atlantic

## Crop circles

## Free Resources for Authentic Mathematics

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…