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I4C

7th Grade - Rounding & Accuracy

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Report results of calculations appropriately in a given context (i.e. using rules of rounding, degree of accuracy, and/or significant digits). 0706.2.15


Links verified on 6/10/2014


  1. Comparison Estimator - Similar to Estimator but compares two sets of objects. This site is interactive and allows students to play a game or input or collect data
  2. Disaster Math - Six sets of interactive word problems: Earthquake Math, Hurricane Math, Tornado Math, Wild Fire Math, Winter Storm Math, and Flood Math. [This expired link is available through the Wayback Machine Internet Archive. If the page doesn't load quickly click on Impatient? at the bottom right of the page.] This site includes questions for your students to check their understanding
  3. Estimating by Rounding - Addition with regrouping - instruction and review, practice, and a quiz This site is interactive and allows students to play a game or input or collect data and This site includes questions for your students to check their understanding
  4. Estimating by Rounding - Subtraction with regrouping - instruction and review, practice, and a quiz This site is interactive and allows students to play a game or input or collect data and This site includes questions for your students to check their understanding
  5. Estimating Sum - No hints or clues given - instruction and review, practice, and a quiz This site is interactive and allows students to play a game or input or collect data and This site includes questions for your students to check their understanding
  6. Estimator - Practice estimation skills by determining the number of objects, length, or area. (parameters: error tolerance) This site is interactive and allows students to play a game or input or collect data
  7. Fermi Questions Library - Fermi questions use estimation procedures to solve questions like "How many jelly beans fill a one-liter jar?"
  8. How Big are Things - a printable cube to be used in making size estimations [several versions] This link includes something for the teacher to print An Adobe Acrobat document in .pdf format
  9. How to Simplify a Number - part of being approximate is simplifying numbers
  10. More or Less Estimator - Similar to Estimator activity but states a quantity and asks the user to estimate whether the set of objects is more or less than the number given. This site is interactive and allows students to play a game or input or collect data
  11. Pinocchio estimation game - suggested game for developing the skill of estimation A lesson plan can be found at this site
  12. Round About - estimate by rounding. This site is interactive and allows students to play a game or input or collect data
  13. Rounding Off - Three levels are available in this game from BBC Education This site is interactive and allows students to play a game or input or collect data
  14. Scaling the Universe to Your Desktop - estimating size
  15. Spy Guys Interactive - Rounding Numbers - Video Lesson A video is available through this link
  16. Weigh the Wangdoodles - Your job is to find the weight of each Wangdoodle using the information provided by the scales. To be successful, you will have to make sure that the weight you assign to each Wangdoodle works on each scale. This activity is a fun but challenging introduction to multiple algebraic equations. This site is interactive and allows students to play a game or input or collect data
  17. Word problems - quiz adding and subtracting fractions This site includes questions for your students to check their understanding
  18. Your Body as a Ruler - a user's manual

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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