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Read a tape measure

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Read a tape measure

- Tape measure
- Ruler
- Yard stick
- Folding ruler
- Measuring wheel
- Scale ruler

- Who wants to maximize their proficiency?
- Which tool do you think is a primary measuring tool in the Automotive field?
- Today you are going to learn how to use a ruler to make proper measurements in whole and fractional units.

HALF INCH INCREMENTS

http://www.rickyspears.com/rulergame/

One-quarter inch measures

One-eighth of an inch

Two-sixteenths of an inch

or

One-eighth of an inch

Three-sixteenths of an inch

Four-sixteenths of an inch

or

Two-eighths of an inch

or

One-fourth of an inch

Five-sixteenths of an inch

Six-sixteenths of an inch

or

Three –eights of an inch

Seven-sixteenths of an inch

Eight-sixteenths of an inch or

Four-eighths of an inch or

Two-fourths of an inch or

One-half of an inch

Nine-sixteenths of an inch

Ten-sixteenths of an inch

or

Five-eighths of an inch

Eleventh-sixteenths of an inch

Twelve-sixteenths of an inch or

Six-eighths of an inch or

Three-fourths of an inch

Thirteen-sixteenths of an inch

Fourteen-sixteenths of an inch

or

Seven-eighths of an inch

Fifteen-sixteenths of an inch

Sixteen-sixteenths of an inch

or

One inch

RULES

1. To add fractions you must have a

common denominator

2. Reduce fractions

How do you get a common denominator?

8 can be the common denominator when the fractions are in fourths or eighths.

16can be the common denominator for

all rulers marked in 16ths.

Use 32as the common denominator when the ruler is marked in 32nds.

Multiply top and bottom by the same value to change the denominator correctly.

- Get the common denominator
- Rewrite the fractions

- Get the common denominator
- Rewrite the fractions
- Add the numerators
- Carry the denominator forward

- Get the common denominator
- Rewrite the fractions
- Add the numerators
- Carry the denominator forward
- Reduce the answer

- Add the whole numbers (like always)
- Get the common denominator
- Rewrite the fractions
- Add the numerators
- Carry the denominator forward
- Reduce the answer

How do you get a common denominator?

8 can be the common denominator when the fractions are in fourths or eighths.

16can be the common denominator for

all rulers marked in 16ths.

Use 32as the common denominator when the ruler is marked in 32nds.

Multiply top and bottom by the same value to change the denominator correctly.

- Get the common denominator
- Rewrite the fractions

- Get the common denominator
- Rewrite the fractions
- Subtract the numerators
- Carry the denominator forward

- Get the common denominator
- Rewrite the fractions
- Subtract the numerators
- Carry the denominator forward
- Reduce the answer

- Subtract the whole numbers (like always)
- Get the common denominator
- Rewrite the fractions
- Subtract the numerators
- Carry the denominator forward
- Reduce, if necessary

- One-half of 1 inch means

or of 1 inch

“of is another way to say times”

Two times one-half is

adding one-half two times.

2 X = 1 + =1