Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made Curriculum for Agricultural Science Education Copyright 2011

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made Introduction to Agriculture, Food, and Natural Resources Understanding Measurement Unit 6 – Lesson 6.4 How It’s Made Curriculum for Agricultural Science Education Copyright 2011

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made Linear Measurements Linear measurements are used to determine length or distance English measurement uses inches, feet and yards. Metric uses millimeters, centimeters, and meters. 3 Curriculum for Agricultural Science Education Copyright 2011 3

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made Metric Measurement Reading a metric ruler is fairly simple Each small mark represents 1 mm (millimeter) Each whole number represents cm (centimeter) 2 cm 1 mm 4 Curriculum for Agricultural Science Education Copyright 2011 4

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made English Measurement English Measurement is based on fractions of an inch. Each mark on a ruler represents 1/16 of an inch. Also note that (“) represents inches and (‘) represents feet. 1/16 of an inch 5 Curriculum for Agricultural Science Education Copyright 2011 5

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made English Measurement An important rule when reading English linear measurements is to remember how to reduce fractions. For example, 1 inch equals 16/16. (16 divided by 16 equals 1) 6 Curriculum for Agricultural Science Education Copyright 2011 6

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made English Measurement For example… 4/16 = ¼” 12/16 = ¾” Some students may need the reduction of fractions explained. (For example: 4/16 becomes ¼, because 4 and 16 are both divisible by 4) 0/16 = 0” 8/16 = ½” 7 Curriculum for Agricultural Science Education Copyright 2011 7

Understanding Measurement Introduction to Agriculture, Food, and Natural Resources Unit 6 Lesson 6.4 How It’s Made References Herren, R. V., & Donahue, R. L. (2000). Delmar’s agriscience dictionary with searchable CD-ROM. Albany, NY: Delmar. 8 Curriculum for Agricultural Science Education Copyright 2011 8