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In this agriscience lesson, we will explore two types of metric rulers: the centimeter (cm) ruler and the millimeter (mm) ruler. You will learn to differentiate between the two as you study their increments. The centimeter ruler measures in increments of one, while the millimeter ruler increases by tens. This lesson includes observation activities and a quiz to test your knowledge of metric measurements. Remember to label your measurements with the appropriate unit.
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Metric Measurement Lesson Agriscience Education Jacob Davis
Metric Ruler • There are 2 types of metric rulers we are going to cover in this lesson: the centimeter (cm) ruler and the millimeter (mm) ruler. • Study the rulers on the next slide and note the differences between the two.
Metric Ruler cm 0 1 mm 0 10
Metric Ruler • The centimeter ruler increases in increments of one. • The millimeter ruler increases in increments of ten. • Other than that basic difference, the two rulers are identical. • 1 cm = 10 mm.
Centimeter Ruler .2 .4 .7 .8 .1 .3 .6 .9 .5 cm 1 0
Centimeter Ruler .1 .2 .3 .4 .6 .7 .8 .9 1.1 1.2 1.3 1.4 1.6 1.7 1.8 1.9 cm .5 1.5 1 0 2
Millimeter Ruler 2 4 7 8 1 3 6 9 5 mm 10 0
Millimeter Ruler 1 2 3 4 6 7 8 9 11 12 13 14 16 17 18 19 mm 5 15 10 0 20
Which kind of metric ruler is this? cm 1 0 2
Which kind of metric ruler is this? mm 10 0 20
Metric Measurement Quiz • Take out a sheet of paper. • Title it Metric Measurement Quiz. • Write your name and today’s date in the upper right hand corner. • Number down the left hand side of your paper from 1 to 10. • Write the measurement on the following slides next to the corresponding number on your paper. P.S. Don’t forget to write cm or mm beside your answer.
Metric Measurement Quiz - cont. 1 2 3 4 5 1 2 3
Metric Measurement Quiz - cont. 6 7 8 9 10 20 30 40
Metric Measurement Quiz - Answers • 1.1 cm • 1.5 cm • 2.1 cm • 2.4 cm • 2.8 cm • 22 mm • 26 mm • 30 mm • 35 mm • 39 mm