Lessons and Tools for Teachers

#### Lessons for Estimation

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• Competing Coasters - … how high do you think each coaster is? Record your estimates. (Estimates will vary. See sample chart below for actual data.) Which … how long do you think each coaster is? Record your estimates. (Estimates will vary. See sample chart below for actual data.) Which … Estimation Score for each estimate they made. Make sure students understand that the lower the Estimation Score, the better the estimate. Estimation Score = Difference between estimated
• When Close Enough is Good Enough - … difference between an estimate and a guess; Create reasonable estimates based on observation and hands-on activities; Articulate how estimation can be applied … can assume 8- and 9-year-olds already know about Estimation: Estimation goes beyond paper and pencil math. To some kids, this … observe adults using estimates when planning construction. Estimating guides their thinking before any plans are committed to paper. They estimate how much material …
• Units of Measure - … , but from now on I'll ask for approximate, estimated answers. 1B Estimated answers T: 4.83 Ã 12.2 2389 + 1807 603 … 17 Units of Measure Lesson Plan 1 Estimating Using Metric Units Notes Practical estimation T: Estimate my height. Ps: ? ... How do we calculate … of the classroom door. Praising. 18 mins 2 Further estimations OS 17.1 (estimating in metric units) T: Look at some pictures … metre of the actual length? Well done! Whose estimate was the nearest? Whose estimate was between a half and one metre of …
• Rounding and Estimating - … , self-correction. Praising. A short discussion about estimating and rounding. 6 mins 2 Estimating and rounding T: A book costs Â£13.40 … Individual work with estimations PB 4.6, Q1 (a) Estimate: 5 Ã 8 = 40 PB 4.6, Q6 (b) Estimate: (c) Estimate: (all to 3 … Notes T has asked one of Ps to write down estimation method, estimate and the result correct to 3 significant figures on … 3.61 Ã 4.72 ? PB 4.6, Q6 (a) Estimate: (e) Estimate: Calculator: 2.05 (all to 3 s.f.) 5 mins …