pengukuran

MeasurementMaureen Curran and Mary Lou AalbersHazelwood School DistrictClick for Teacher TipsPerimeterAreaClick here to beginMeasurementThe following lesson is addressing these standards:Extend student understanding of the process and structure for measurement. (MO 1.4, 2.6, 2.7)Apply the concepts of perimeter and area (MO 2.5, 3.8, 4.1)

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He must fence in his barnyard to keep his horses from straying.

He has 72 feet of fencing available and wants to get the largest corral for his horses.PROBLEM

Here are the designs he came up with.24122412Design D272799Design A20202020Design C181818Design B18

Remember!!!He wants the largest space for his horses to run and has only 72 feet of fencing.272799Design AWould this work?Click for answer181818Design B18Click for answerWould this work?181818Design B18YES! 18+18+18+18=72 feet20202020Design CWould this work?Click for answer

20202020Design CNO! 20+20+20+20=80 feetNot enough fencing24122412Design DWould this work?Click for answer24122412Design DYES! 24+12+24+12=72 feet272799Design A181818Design B1824122412Design DWhich is best?181818Design B18That's right!

In your journal explain why Design B is the best choice.Click here to return to beginning

You will need to click the mouse to show the answers for activities. This will allow you to control the timing of answers shown.We suggest that students keep a journalIt is critical for students to use writing skills to explain their answersPlease take time to discuss possible solutions to problems.