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# Read a tape measure PowerPoint PPT Presentation

Read a tape measure. Measuring tools. Tape measure Ruler Yard stick Folding ruler Measuring wheel Scale ruler. QUESTIONS. Who wants to maximize their proficiency? Which tool do you think is a primary measuring tool in the Automotive field?

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### Measuring tools

• Tape measure

• Ruler

• Yard stick

• Folding ruler

• Measuring wheel

• Scale ruler

### QUESTIONS

• 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.

### FRACTIONS OF AN INCH

HALF INCH INCREMENTS

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

### FRACTIONS OF AN INCH

One-quarter inch measures

### FRACTIONS OF AN INCH

One-eighth of an inch

### FRACTIONS OF AN INCH

Two-sixteenths of an inch

or

One-eighth of an inch

### FRACTIONS OF AN INCH

Three-sixteenths of an inch

### FRACTIONS OF AN INCH

Four-sixteenths of an inch

or

Two-eighths of an inch

or

One-fourth of an inch

### FRACTIONS OF AN INCH

Five-sixteenths of an inch

### FRACTIONS OF AN INCH

Six-sixteenths of an inch

or

Three –eights of an inch

### FRACTIONS OF AN INCH

Seven-sixteenths of an inch

### FRACTIONS 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

### FRACTIONS OF AN INCH

Nine-sixteenths of an inch

### FRACTIONS OF AN INCH

Ten-sixteenths of an inch

or

Five-eighths of an inch

### FRACTIONS OF AN INCH

Eleventh-sixteenths of an inch

### FRACTIONS OF AN INCH

Twelve-sixteenths of an inch or

Six-eighths of an inch or

Three-fourths of an inch

### FRACTIONS OF AN INCH

Thirteen-sixteenths of an inch

### FRACTIONS OF AN INCH

Fourteen-sixteenths of an inch

or

Seven-eighths of an inch

### FRACTIONS OF AN INCH

Fifteen-sixteenths of an inch

### FRACTIONS OF AN INCH

Sixteen-sixteenths of an inch

or

One inch

### FRACTION RULES

RULES

1. To add fractions you must have a

common denominator

2. Reduce fractions

### COMMON DENOMINATOR

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.

### COMMON DENOMINATOR

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

• Carry the denominator forward

• Get the common denominator

• Rewrite the fractions

• Carry the denominator forward

• Add the whole numbers (like always)

• Get the common denominator

• Rewrite the fractions

• Carry the denominator forward

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.

### COMMON DENOMINATOR

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

### SUBTRACTING MEASURES

• Get the common denominator

• Rewrite the fractions

### SUBTRACTING MEASURES

• Get the common denominator

• Rewrite the fractions

• Subtract the numerators

• Carry the denominator forward

### SUBTRACTING MEASURES

• Get the common denominator

• Rewrite the fractions

• Subtract the numerators

• Carry the denominator forward

### SUBTRACTING MEASURESwith WHOLE NUMBERS

• Subtract the whole numbers (like always)

• Get the common denominator

• Rewrite the fractions

• Subtract the numerators

• Carry the denominator forward

• Reduce, if necessary

### MULTIPLYING MEASURES

• One-half of 1 inch means

or of 1 inch

“of is another way to say times”

### MULTIPLYING MEASURES

Two times one-half is