Transcript Reading a Rule

Reading a Ruler
Welding
Technology
Education
The Rule

Basic Measuring Tool Used By
– Students in Industrial and Technology
Education Programs
Automotive Technology
 Design and Drafting
 Electronics/Manufacturing
 Woodworking/Construction
 And Others

1
2
3
4
5
The Rule
Basic
Measuring Tool Used By
–Workers in Industry
Architects/Drafters,
Brick Masons
Carpenters, Machinist, Plumbers
Sheet Metal Workers
Installers
and many others
1
2
3
4
5
The Rule

Basic Measuring Tool Used by
Homeowners to:

Calculate Square Footage/Volume

Measure Window and Door
Openings

Determine Space Available for
Furniture

Estimate Materials Needed, etc.
1
2
3
4
5
Reading a Rule
Pretest
1
2
3
4
5
1
2
3
4
5
Reading a Rule
Pretest Answers
1
1
15 8
2
23 8
1
8
1
5
1
33 4
4
2
21 2
2
41 4
4
47 8
43 8
31 4
3
5
35 8
278
11 8
1
31 8
3
13 4
8
5
4
5
Reading a Rule
Fraction Review
A circle can be divided into many parts. For
purposes of this review, the circle will be
divided in to halves, quarters, and eights.
Reading a Rule
Fraction Review
1/2
1/2
Here the circle is divided into halves (two
parts). If you add the two halves, what do
you get for an answer?
Reading a Rule
Fraction Review
1/4
1/4
1/4
1/4
Here the circle is divided into quarters (four
parts). If you add the four quarters, what do
you get for an answer?
Reading a Rule
Fraction Review
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
Here the circle is divided into eight parts. If
you add the eight parts, what do you get for
an answer?
Reading a Rule
Fraction Review
1
1”
An inch can also be divided into many parts.
For purposes of this review, the inch will be
divided in to halves, quarters, and eights.
Reading a Rule
Fraction Review
1
1
2
2
Halves
1”
Here the inch is divided into halves (two
parts). If you add the two halves, what do
you get for an answer?
Reading a Rule
Fraction Review
1
4
1
1
4
4
1
4
Quarters
1”
Here the inch is divided into four parts. If
you add the four parts, what do you get for
an answer?
Reading a Rule
Fraction Review
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
Eights
1”
Here the inch is divided into eight parts. If
you add the eight parts, what do you get for
an answer?
Reading a Rule

What do you think the missing
measurement is?
1/2”
1”
1
1 1/2”
2
Reading a Rule

What do you think the missing
measurement is?
1/2”
1”
1
1 1/2”
2”
2
Reading a Rule

What are the missing measurements?
1/4”
1 1/4”
3/4”
1/2”
1”
1
2
Reading a Rule

What are the missing measurements?
1/4”
1 1/4”
3/4”
1/2”
1”
1”
1
2
Reading a Rule

What are the missing measurements?
1/4”
1 1/4”
3/4”
1/2”
1”
1”
1
1 1/2”
2
Reading a Rule

What are the missing measurements?
1/4”
1 1/4”
3/4”
1/2”
1”
1”
1
1 3/4”
1 1/2”
2
Reading a Rule

What are the missing measurements?
1/4”
1 1/4”
3/4”
1/2”
1”
1”
1
1 3/4”
1 1/2”
2”
2
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 5/8”
1 1/4”
2 1/2”
2
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
2 1/2”
2
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 3/4”
2 1/2”
2
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 7/8”
1 3/4”
2 1/2”
2
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 7/8”
1 3/4”
2”
2
2 1/2”
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 7/8”
1 3/4”
2 1/8”
2”
2
2 1/2”
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 7/8”
1 3/4”
2 1/8”
2”
2
2 1/4”
2 1/2”
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 7/8”
1 3/4”
2 1/8”
2”
2
2 3/8”
2 1/4”
2 1/2”
Reading a Rule

What are the missing measurements?
1/8”
3/8”
1/4”
5/8”
1/2”
7/8”
3/4”
1 1/8”
1”
1
1 3/8”
1 1/4”
1 5/8”
1 1/2”
1 7/8”
1 3/4”
2 1/8”
2”
2
2 3/8”
2 1/4”
2 1/2”
2 5/8”
Reading a Rule
Post Test
1
2
3
4
5
1
2
3
4
5
Reading a Rule
Post Test Answers
1
1
15 8
2
23 8
1
8
1
5
1
33 4
4
2
21 2
2
41 4
4
47 8
43 8
31 4
3
5
35 8
278
11 8
1
31 8
3
13 4
8
5
4
5
Reading a Rule
Fraction Review
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
Just as a circle can be divided into eight
parts, it can be divided in sixteen parts. See
the circle on the right
Reading a Rule
Fraction Review
1
8
1
8
1
8
1
8
1
8
1
8
1
8
1
8
Eights
Sixteenths
1”
1”
An inch is often divided into sixteen parts.
Count the spaces in the inch on the right side
of the slide. How many are there?