# Monthly Archives for December 2011

## Perihelion

On Wednesday, January 4, 2012, Earth will be as close as it gets to the Sun during its orbit. In this activity students become familiar with the terms perihelion and aphelion as they calculate 1 AU and the perihelion distance in miles and kilometers. … Continue reading

30. December 2011 by Leslie
Categories: Algebra, Holidays and Annual Events, Math and Science, Number Sense | Tags: , , | Leave a comment

## Happy Holiday!

Learn more about us and our philosophy by visiting our blog post at the Innovative Educator. For those of you enjoying a winter vacation and looking for a little Holiday mathematics, try some of our previously posted activities. Holiday Movies … Continue reading

27. December 2011 by Leslie

## Crop circles

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 … Continue reading

21. December 2011 by Leslie

## Monopoly, Are you game?

In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it ? Using Brian’s spread sheet (list of properties, distance from GO, rent and rent with properties) students create scatter plots. … Continue reading

18. December 2011 by Oldmanmarks and Leslie
Categories: Algebra, Data and Probability, Number Sense | Tags: , , , | 1 comment

## Moneymaking Holiday Movies

Let your students analyze actual holiday movie data. They will round, estimate, compare, calculate percent increase, consider the most appropriate graphical representation and graph the data … along with sharing what they have seen and enjoyed.   xmas_movies-2011.pdf Solutions, hints, and … Continue reading

14. December 2011 by Leslie
Categories: Data and Probability, Holidays and Annual Events, Movies and Entertainment, Number Sense | Tags: , , , , | Leave a comment

Do we cripple students by feeding them the necessary measurements and expecting them to just plug the data into a formula?  Engage your class in real life problem solving and development of mathematical ideas. In this activity, Brian asks students … Continue reading

11. December 2011 by Oldmanmarks and Leslie
Categories: Geometry, Holidays and Annual Events, Number Sense | Tags: , , | 1 comment

## Getting awfully dark out

This year’s winter solstice will be at 7:11 am EST on December 21st . In this geometry/Earth science investigation, we’ve asked students to question the Earth’s latitudinal divisions, recognize its tilt, and appreciate the relationship of these measures and our present … Continue reading

08. December 2011 by Leslie
Categories: Geometry, Holidays and Annual Events, Math and Science, Number Sense | Tags: , , , , | Leave a comment

## When is Hanukkah?

Tuesday evening, December 20th, is the first night of Hanukkah this year. Students look at the Hebrew calendar and appreciate the incredible mathematics involved in creating a calendar that aligns both our moon’s rotation about the Earth and the Earth’s … Continue reading

06. December 2011 by Leslie
Categories: Holidays and Annual Events, Math and Social Studies, Number Sense | Tags: , , | Leave a comment

## Done with the leaves … now for the snow

Brian has spent too much time analyzing his leaf raking. He has created an investigation that asks students to calculate how long it would take different numbers of rakers to finish cleaning his yard of leaves. Students see the inverse … Continue reading

04. December 2011 by oldmanmarks
Categories: Algebra, Number Sense | Tags: , , , , , , , , , , , , | Leave a comment

## The Euro and the international debt crisis

Lately the news is filled with talk of the Euro, US foreign debt, the fragility of European monetary systems, and the interdependence of all of these crisis. In this activity students become familiar with the Euro, practice translating the Euro’s … Continue reading

01. December 2011 by Leslie
Categories: Algebra, Data and Probability, Math and Social Studies, Number Sense | Tags: , , , , , , , , , , , | 2 comments