ruler measurement lesson 2c next ruler postulate points on a line can be matched one to one with...
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Ruler MeasurementRuler Measurement
Lesson 2cLesson 2c
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Ruler PostulateRuler Postulate
Points on a line can be matched one to Points on a line can be matched one to one with real-number coordinates so that:one with real-number coordinates so that:
• For any two points there corresponds a For any two points there corresponds a unique positive number, called the distance unique positive number, called the distance between the two points.between the two points.
• A ruler is a tool we use to measure the A ruler is a tool we use to measure the distance between two points.distance between two points.
Next
What’s all these lines between the What’s all these lines between the numbers?numbers?
The ruler above is divided up into 12 The ruler above is divided up into 12 inches which are further divided into inches which are further divided into ½, ¼, ½, ¼, 11//88, & , & 11//1616 inch increments. inch increments.
Click below to get a closer look!Click below to get a closer look!
Next
• The symbol for inch is The symbol for inch is „„..• Within every inch there are 16 Within every inch there are 16
smaller units of measurement. smaller units of measurement.
Ruler Measurements to Ruler Measurements to 11//1616 ””
0 ”Next
16
1
16
216
3
16
416
5
16
616
7
16
8
16
9
16
1016
11
16
1216
13
16
1416
15
16
16
Ruler Measurements to Ruler Measurements to 11//1616 ””
• You should notice that some You should notice that some fractions are not simplified.fractions are not simplified.
Simplify
Click the button belowClick the button belowto simplify those fractionsto simplify those fractions
0
16
1
16
216
3
16
416
5
16
616
7
16
8
16
9
16
1016
11
16
1216
13
16
1416
15
16
16
16
2
16
4 16
6
16
816
10
16
12 16
14
16
16
Ruler Measurements to Ruler Measurements to 11//1616 ””
• You should notice that some You should notice that some fractions are not simplified.fractions are not simplified.
0
16
1
16
3
16
5
16
7
16
9
16
11
16
13
16
15
16
2
16
4 16
6
16
816
10
16
12 16
14
16
16
1
81
4
3
8 1
2
5
83
4
7
8
1
1
Ruler Measurements to Ruler Measurements to 11//1616 ””
• Each of the fractions are now Each of the fractions are now simplified.simplified.
0
16
1
8
116
3
4
116
5
8
316
7
2
1
16
9
8
516
11
4
316
13
8
716
15
Next
Time to practice!Time to practice!
Measure each segment to the Measure each segment to the nearest nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to measure the segment.measure the segment.
A B
Time to practice!Time to practice!
A B
Choose the correct measure below.Choose the correct measure below.
2inches
1inch
3inches
Measure each segment to the Measure each segment to the nearest nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to measure the segment.measure the segment.
Next
Time to practice!Time to practice!
Measure each segment to the Measure each segment to the nearest nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to measure the segment.measure the segment.
A B
37/16inches
Time to practice!Time to practice!
A B
Choose the correct measure below.Choose the correct measure below.
31/4inches
35/16inches
Measure each segment to the Measure each segment to the nearest nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to measure the segment.measure the segment.
Next
Time to practice!Time to practice!
Measure each segment to the Measure each segment to the nearest nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to measure the segment.measure the segment.
A B
Time to practice!Time to practice!
A B
Choose the correct measure below.Choose the correct measure below.1/2inches
5/8inches
9/16inches
Measure each segment to the Measure each segment to the nearest nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to measure the segment.measure the segment.
Next
Time to practice!Time to practice!
Measure each segment to the nearest Measure each segment to the nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to line up the ruler.line up the ruler.
A B
Time to practice!Time to practice!
Measure each segment to the nearest Measure each segment to the nearest 11//16 16 of an inch. of an inch. (reduce all answers)(reduce all answers)
Click on the ruler above in order to Click on the ruler above in order to line up the ruler.line up the ruler.
A B
Choose the correct measure below.Choose the correct measure below.
27/8inches
21/8inches
31/8 inches Next
Correct!Correct!Return
Sorry!Sorry!Try again.Try again.
Return