Take one big step forward with one foot and put another chalk mark at the top of that foot.Start with your feet together and mark a small line at the top of your feet with the chalk.Go outside and find a flat, smooth surface where you can take four big steps.If you don’t have a really long measuring tape, try this method instead:
Estimating the height of something tall will require you to measure long distances, too. When might an estimate be helpful? What kinds of things have you estimated before?ģ. Think about why you might want to estimate the size or number of something instead of finding the real value. The following activities are all about estimating. Safety first! This activity requires you to go outdoors, so remember these guidelines for being safe outside: practice social distancing, watch out for cars if crossing streets, and wear sunscreen!Ģ. An arm-length stick (for Method 2 only)ġ.Tree or other tall object, like a telephone pole or building.Topics: trees, height, measure, estimating How do we measure things that are too big for our measuring tools? Find out how math can help! Get outdoors and harness the power of ratios and geometry to estimate the height of trees and other tall objects.
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