Estimate: an approximate amount, calculation, or judgment of value (an educated guess)
Parts of the body you can use to estimate length: Thumb knuckle to tip = inch Arm from wrist to elbow = foot Arm span = yard or meter Pinky nail width = centimeter
1. Estimate the length of the classroom in feet. Record your results. Estimate the length of the classroom in meters. Record your results. _______________________________
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2. Which estimate do you think is more accurate? Explain your reasoning.
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Extension
*MP4: How can you relate this to something in real life?
Estimate the length of your Beyond the Basic Facts notebook in inches. Measure it with your ruler. How close to the actual length were you?
*MP6: How do you know your answers are correct/reasonable?
Closure Recap today’s lesson with one or more of the following MP questions: MP5: What tool did you use? Why? MP6: How did you know your estimate was reasonable? MP8: What was a strategy you used to make estimates?