Ruler Measurement

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Transcript Ruler Measurement

Ruler Measurement
Lesson 2c
Next
Ruler Postulate
Points on a line can be matched one to
one with real-number coordinates so
that:
• For any two points there corresponds a
unique positive number, called the
distance between the two points.
• A ruler is a tool we use to measure the
distance between two points.
Next
What’s all these lines between the
numbers?
The ruler above is divided up into
12 inches which are further divided
into ½, ¼, 1/8, & 1/16 inch increments.
Click below to get a closer look!
Next
Ruler Measurements to 1/16 ”
„.
• The symbol for inch is
• Within every inch there are 16
smaller units of measurement.
1
3
2
16
16
16
0
4
16
5
7
6
16
16
16
8
16
9
11
10
16
16
16
12
16
13
15
14
16
16
16
16
”
16
Next
Ruler Measurements to 1/16 ”
• You should notice that some
fractions are not simplified.
Click the button below
to simplify those fractions
1
3
2
16
16
16
0
4
16
5
7
6
16
16
16
8
16
9
11
10
16
16
16
12
16
13
15
14
16
16
16
Simplify
16
16
Ruler Measurements to 1/16 ”
• You should notice that some
fractions are not simplified.
11
3
5 3 7
2
6
16
16 1 16
16
816
0
4 16
8
416
1
8
216
9 5 11
10
16
16
312
16
8
4 16
13 7 15
14
16
16
816
116
116
Ruler Measurements to 1/16 ”
• Each of the fractions are now
simplified.
1
3
1
16
16
8
0
1
4
5
7
3
16
16
9
11
5
16
16
8
8
1
2
3
4
13
15
7
16
16
8
Next
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order
to measure the segment.
A
B
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order
to measure the segment.
A
B
Choose the correct measure below.
1
2
3
inch
inches
inches
Next
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order
to measure the segment.
A
B
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order
to measure the segment.
B
A
Choose the correct measure below.
37/16
31/4
35/16
inches
inches
inches
Next
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order
to measure the segment.
A B
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order
to measure the segment.
A B
Choose the correct measure below.
1/2
5/ 8
9/16
inches
inches
inches
Next
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order to
line up the ruler.
A
B
Time to practice!
Measure each segment to the
nearest 1/16 of an inch. (reduce all answers)
Click on the ruler above in order to
line up the ruler.
A
B
Choose the correct measure below.
27/8
31/8
21/8
inches
inches
inches
Next
Correct!
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Try
again.
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