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## Measurement

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**Perimeter**Area Click for Teacher Tips Measurement Maureen Curran and Mary Lou Aalbers Hazelwood School District Click here to begin**Measurement**• The 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) Click here to return to first slide**PERIMETER**Farmer Jones bought three horses.**He must fence in his barnyard to keep his horses from**straying.**PROBLEM**He has 72 feet of fencing available and wants to get the largest corral for his horses.**Here are the designs he came up with.**Design C Design A 20 27 20 20 9 9 Design B 27 20 Design D 18 24 18 18 12 12 24 18**Remember!!!**He wants the largest space for his horses to run and has only 72 feet of fencing.**Design A**27 9 9 27 Click for answer Would this work?**Design A**27 9 9 27 YES! 27+9+27+9=72 feet**Design B**18 Click for answer 18 18 18 Would this work?**Design B**18 18 18 18 YES! 18+18+18+18=72 feet**Design C**20 20 20 20 Click for answer Would this work?**Design C**20 20 20 20 NO! 20+20+20+20=80 feet Not enough fencing**Design D**24 12 12 24 Click for answer Would this work?**Design D**24 12 12 24 YES! 24+12+24+12=72 feet**Design A**Design D 27 24 9 9 12 Design B 27 12 18 24 18 18 18 Which is best?**Design B**18 18 18 18 That's right!**In your journal explain why Design B is the best choice.**Click here to return to beginning