Estimation

CONTENTS OF CURRICULUM UNIT 08.05.07

  1. Unit Guide
  1. Overview
  2. Rationale
  3. Objectives/ Math Background
  4. Strategies
  5. Classroom Activities
  6. Resource
  7. Materials for Classroom Use
  8. Appendix
  9. Endnotes

Rice to Feed the World- Estimations on Rice Consumption and Production

Elaine Yee Lun Tam

Published September 2008

Tools for this Unit:

Resource

Bibliography For Teachers

Adam, John A., and Lawrence Weinstein. Guesstimation: Solving the World's Problems on the Back of a Cocktail Napkin. Princeton: Princeton University Press, 2008.

Mitchell N Charity. A View from the Back of the Envelope. 1998. http://www.vendian.org/mncharity/dir3/oom_alreadydoing/. Information on approximation.

Online-Unit-Converter.com. Weight to Volume. http://www.online-unit-converter.com/weight-to-volume/ (accessed Jul, 2008). Weight to volume converter, options to choose many materials for conversion.

Parkinson, Rhonda. "Zong Zi - the Traditional Chinese Food." (4/12/2000). http://chinesefood.about.com/od/foodfestivals/a/zongzidumpling.htm (accessed July 13, 2008). Shandon Style recipe, 1kg makes 10 zong, 50g/zong.

Sandy H. "Recipe: How to Make Zongzi, Part1." (2008). Travels with Sandy, A Random Walk Around the World. http://travelswithsandy.wordpress.com/2008/06/04/recipe-how-to-make-zongzi-part-1/ (accessed July 13, 2008) Information on the wrapping zongzi with a video clip. Has link for part 2 on the page.

Seadragon. "Savoury Fujian Zong/ Hokkien Bak Chang." (2005). Café of the East. http://cafeoftheeast.blogspot.com/2005/06/savoury-fujian-zong-hokkien-bak-chang.html (accessed July 13, 2008) Fujian Zong, 1 kg makes 20-30.

Shodor."Interactive Surface Area and Volume." Interactivate. http://www.shodor.org/interactivate/activities/surfaceareaandvolume/ (accessed July 13, 2008). Interactive activity that draws a polyhedron and calculates the volume and surface.

Stephen Jack. "Chinese Food Culture and History." Eating China (2008). http://www.eatingchina.com/recipes/zongzi.htm (accessed July 13, 2008). Taiwanese zong recipe, 1 kg makes 20 zong.

Steve Conrad and Dan Flegler. Metric Units and Measurement. Math League Multimedia 2006. http://www.mathleague.com/help/metric/metric.htm (accessed July 13, 2008). Unit conversion information.

Wikipedia contributors. "List of Countries by Population." Wikipedia, The Free Encyclopedia. http://en.wikipedia.org/wiki/List_of_countries_by_population (accessed July 27, 2008).

Wikipedia contributors. "Order of Magnitude." Wikipedia, The Free Encyclopedia. http://en.wikipedia.org/wiki/Order_of_magnitude (accessed July 27, 2008).

Wikipedia contributors. "Zongzi." Wikipedia, The Free Encyclopedia. http://en.wikipedia.org/wiki/Zongzi (accessed July 13, 2008). Hakka Style Recipe, 1 kg makes 20-25, pictures showing the steps to wrap zong.

Reading List For Students

Demi. One Grain of Rice: A Mathematical Folktale. New York: Scholastic, Incorporated, 1997. A clever Indian village girl outwits a selfish raja with a simple request of starting with one grain of rice doubling the amount of rice everyday for one month.

Diagram Group. Comparison of distance, size, area, volume, mass, weight, density, energy, temperature, time, speed and number throughout the universe. New York: St. Martin's P, 1980. Many illustrations of comparisons of creatures and things.

Dooley, Norah, and Peter J. Thornton. Everybody Cooks Rice. New York: Carolrhoda Books, 1992. This story is about a child discovering rice dishes in her neighbor.

Goldston,Bruce . Estimatron. http://www.brucegoldstone.com/Javascript_version/estimate.html (accessed July 24, 2008). Website by the author of Greater Estimations, which offers an estimation practice game.

Goldston,Bruce . Greater Estimations. 1st ed. Boston: Henry Holt & Company Books For Young Readers, 2008.

Goldstone, Bruce. Great Estimations. Boston: Henry Holt & Company Books For Young Readers, 2006. Pictorial book that teaches child to use clump-counting strategies to make estimations.

McKibbon,Hugh William. The Token Gift. Buffalo, NY: Annick Press (U.S.) Ltd., 1996. An Indian King wanted to reward a young man and he asked for a one grain of rice on the first square of a playing board and double the grains in each subsequent squares.

National Council of Teachers of Mathematics. Learning about Length, Perimeter, Area, and Volume of Similar Objects by Using Interactive Figures: Side Length, Volume, and Surface Area of Similar Solids. http://standards.nctm.org/document/eexamples/chap6/6.3/part2.htm (accessed July 28, 2008) An interactive module to demonstrate the changes in area and volume of similar rectangular shapes as the length of the sides vary.

Pittman, Helena C. A Grain of Rice. New York: Yearling, 1995. A farmer marries a princess by using his math skills.

Sequel book to Great Estimations, includes problems using large numbers to estimate in weight, volume, length, area.

Smoothey, Marion. Area and Volume. New York: M. Cavendish, 1993. An introduction on area and volume and provides application problems and activities to explore these concepts.

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