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Use Estimation

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Use estimation to check answers for reasonableness, and calculators to check for accuracy 0306.1.6


Links verified on 10/3/2011


  1. Animal Legs - use repeated addition as a strategy to solve multiplication story problems This site is interactive and allows students to play a game or input or collect data
  2. Basket Math provides rounding practice This site includes questions for your students to check their understanding
  3. 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
  4. Estimate - [use as a whole class activity] Select a range, display tick marks and estimate before revealing the answer. This interactive site would work well on an interactive whiteboard
  5. Estimating by Rounding - addition with regrouping
  6. Estimating by Rounding - subtraction with regrouping
  7. Estimating and rounding decimals - a lesson, examples, and an interactive practice page
  8. Estimating Sum - no hints or clues given
  9. Estimator - Practice estimation skills by determining the number of objects, length, or area. (parameters: error tolerance)
  10. Guess the Number - developing skills in halving and estimation
  11. Home Run Derby Math - you don't have time to add, just estimate the correct answer [addition, subtraction, or multiplication] This site is interactive and allows students to play a game or input or collect data
  12. Laser Beams - rounding decimals to the nearest whole number - three levels are available; rounding, rounding and computing sums and differences, and rounding and computing with all four operations This site is interactive and allows students to play a game or input or collect data
  13. Let's Go Shopping - estimate by rounding to the nearest dollar as they shop This site is interactive and allows students to play a game or input or collect data
  14. A resource for the teacher to use in planning their lessons Math Story Problems! - Kid created math story problems ("Kitten" pages are the easiest.) There are lots of links to pages of problems... scroll way down to see them all
  15. 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
  16. Round About - estimate by rounding This site is interactive and allows students to play a game or input or collect data
  17. Round the decimal to the nearest whole number - matching, flashcards, or concentration (from Quia)
  18. Rounding - to the nearest ten or dollar, a quiz from Saxon math This site includes questions for your students to check their understanding
  19. Rounding to nearest ten - to nearest hundred - to nearest thousand
  20. 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
  21. The Seashell Rounding Activity Page - Look at the number on each shell. Click on the nearest ten. This site is interactive and allows students to play a game or input or collect data

A resource for the teacher to use in planning their lessons site for teachers | A PowerPoint show related to this standard PowerPoint show | An Adobe Acrobat document in .pdf format Acrobat document | A Microsoft Word document to be downloaded Word document | This interactive site would work well on an interactive whiteboard whiteboard resource | This resource includes voice instructions for students sound | A video is available through this link video format | This site is interactive and allows students to play a game or input or collect data interactive lesson | This site includes questions for your students to check their understanding a quiz | A lesson plan can be found at this site lesson plan | This link includes something for the teacher to print to print

 

 

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

  

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