Rounding or Estimating

Links verified on 8/5/09

1. Anti-Homework - Estimate angles. Correct answers will give you a homework grenade to get rid of assignments.
2. Comparison Estimator - This Estimator but compares two sets of objects.
3. Estimate Fractional Distance - Watch Grammy carefully and estimate the fractional distance that represents where she jumped over the hedge.
4. Estimation Valley Golf - Quickly estimate the answers to the math problems and play a round of golf!
5. Estimating by Rounding - Practice addition with regrouping.
6. Estimating by Rounding - Practice subtraction with regrouping.
7. Estimating Sum - No hints or clues are given.
8. Estimator - Practice estimation skills by determining the number of objects, length, or area.
9. Let's Go Shopping - Estimate by rounding to the nearest dollar as you shop.
10. More or Less Estimator - This activity states a quantity and asks the user to estimate whether the set of objects is more or less than the number given.
11. Rounding Off - Three levels of this game are available in this game from BBC Education
12. Spy Guys Interactive - Rounding Numbers - watch the video and respond at various places Lesson 9
13. That's Right - Estimate measurements in real-world problems using money.