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8th Grade Interactive Math Skill Builders


Estimating - CCSS 7.NS.A.1

Links verified on 12/24/2015

  1. Comparison Estimator - Compares two sets of objects by estimating.
  2. Estimation Valley Golf - Quickly estimate the answers to the math problems and play a round of golf!
  3. Estimating by Rounding - Addition with regrouping. Lesson with practice problems.
  4. Estimating by Rounding - Subtraction with regrouping. Lesson with practice problems.
  5. Estimating Sum - Front end estimation lesson and practice problems. No hints or clues given.
  6. Estimator - Practice estimation skills by determining the number of objects, length, or area. (parameters: error tolerance)
  7. 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.
  8. Rounding Off - Three levels are available in this game from BBC Education.
  9. Spy Guys Interactive - Rounding Numbers - Watch the video and respond at various places Lesson 9. This video includes sections which ask students to inpur responses
  10. 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.

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




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