"The Right Angle"

Analogous and Extension Problems


Many teachers use time after the Challenge in the Jasper adventure has been solved to focus students' attention on the mathematics they applied during the excitement of coming up with their solutions. The Jasper context provides a natural anchor for additional mathematical activities and lessons. Teachers may develop their own problems, or have students solve selected analogous problems provided on the laserdisc to help deepen their understanding of the concepts and skills involved in this Jasper adventure, and extension problems to broaden their learning into related subject areas.


Challenge
Mr. Wendell checked Ryan's calculations and directions for the rescue squad and found them to be accurate.


Analogous Problems

One analogous problem revisits the scene where Paige and Larry estimate the height of the barn to focus on the relationship between elevation and distance in estimating height using principles of similar triangles. Two other problems give students practice applying several methods used for estimating height in The Right Angle to new situations. One problem looks at uses of geometry in construction of buildings and another uses angles and shadows to solve a crime. The last problem provides a scaffolded lesson about similar triangles anchored on estimating height of a flagpole using angles of relection with a mirror.

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