Unit Plan

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Grade Levels

Related Academic Standards

Assessment Anchors

Eligible Content

Big Ideas

Concepts

Competencies

Objectives

Students will develop strategies for measuring time, length of time, and length of objects. They will apply measurement strategies to estimate and calculate perimeter and area. Students will:

  • identify time to the minute on digital and analog clocks.
  • investigate the relationships between time on a clock and time on a calendar.
  • relate time on a clock to length of time or elapsed time.
  • select and apply appropriate standard and nonstandard units and tools to measure length and width.
  • apply concepts of measurement and estimation to select appropriate tools and find perimeter of regular and irregular shapes.
  • relate perimeter and area using concrete objects.


Essential Questions

  • What makes a tool and/or strategy appropriate for a given task?
  • How are spatial relationships, including shape and dimension, used to draw, construct, model, and represent real situations or solve problems?
  • Why does “what” we measure influence “how” we measure?
  • How can recognizing repetition or regularity assist in solving problems more efficiently?


Related Unit and Lesson Plans


Related Materials & Resources

The possible inclusion of commercial websites below is not an implied endorsement of their products, which are not free, and are not required for this unit.

  • AAA Math, http://www.321know.com/geo.htm, see the learn, practice, play, and explore activities related to perimeter and area.
  • Carrie Measures Up by Linda Williams Aber. Kane Press, 2001. A lower-level book that introduces measurement through sizing up everyday objects around the house.
  • Game Time! by Stuart J. Murphy. HarperCollins, 2000. A MathStart book to teach time in weeks, days, hours, minutes, and seconds.
  • How Big Is a Foot? by Rolf Myller. Yearling, 1991. A book that teaches a king that measurement by his foot and by the foot of the young apprentice result in very different outcomes.
  • How Big Is It? A Big Book All About Bigness by Ben Hillman. Scholastic, 2007. A collection of amazing size comparisons to build an understanding of what big really means.
  • How Do You Know What Time It Is? by Robert E. Wells. Whitman, 2002. A history of time measurement, including clocks, calendars, and time zones, written specifically for children.
  • How Long or How Wide? A Measuring Guide by Brian P. Cleary. First Avenue Editions, 2009. A humorous approach to measuring length and using measuring tools.
  • How Tall, How Short, How Far Away? by David Adler and Nancy Tobin. Holiday House, 1999. A book that introduces several measuring systems and presents the need for standard units of measure.
  • It’s About Time, Max! and The Long Wait by Kitty Richards. Kane Press, 2000. When a young boy loses his digital watch, he replaces it with an analog watch that he must learn how to read; the partnered story in the book, The Long Wait, tells about estimating time while waiting in line for a thrill ride.
  • IXL Math Practice Site, http://www.ixl.com/math/grade/third/, free online practice questions for time, measurement, geometry, and other math concepts.
  • Just a Minute! by Jeff Szpirglas. Maple Tree Press, 2009. A fact-filled look at elapsed time of a minute, a day, a month, and a year.
  • Keep Your Distance! by Gail Herman. Kane Press, 2001. In the context of sibling rivalry and sharing a room, sisters learn about measurements of distance and time.
  • Length (Measuring Up) by Peter Patilla. Belitha Press, 2000. An interesting discussion of measuring systems past and present with examples of unusual lengths.
  • Take It to Your Seat Math Centers Grades 3–4 by Jill Norris. Evan-Moor, 2004. Practical ideas for learning centers including perimeter and area.
  • Racing Around by Stuart J. Murphy. Steck-Vaughn, 2002. A story of racing around a perimeter.
  • Spaghetti and Meatballs for All! by Marilyn Burns. Scholastic, 2008. A delightful way to compare perimeter and area as 32 chairs are arranged and rearranged at a family reunion.
  • Super Sand Castle Saturday by Stuart J. Murphy. Steck-Vaughn, 1999. A tale of using nonstandard units of measurement to compare sizes of sand castles.
  • Telling Time by Jules Older. Charlesbridge, 2000. A humorous look at what it means to tell time and to learn about smallest units of seconds, minutes, and hours to largest units of weeks, months, years, and more.
  • Telling Time, http://www.bbc.co.uk/wales/snapdragon/yesflash/time-1.htm, telling time to the hour.

 

 


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Richard

Richard

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