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Math_ Basic Skills.

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Exam of 6 pages for the course Bnsf-Maintenance of Way Operating Rules at Bnsf-Maintenance of Way Operating Rules (Math_ Basic Skills.)

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Math: Basic Skills

place values




Greatest Common Factor
The largest factor that two or more numbers have in common. Create all the
multiplication factors for each number and then find the greatest common factor.




Least Common Multiple
The smallest multiple (other than zero) that two or more numbers have in common.




Divide Fraction Process




Add or Subtract Fractions




How to change a Percent (%) into a Fraction
Step 1: Move the decimal point two places to the left

, Step 2: Use the decimal digits as the numerator and the last place value as the
denominator. Reduce.
How to change a Percent (%) into a Decimal
Move the decimal point two (2) places to the left.

67% = .67 6% = .06
How to change a Fraction into a Percent (%)
Step 1: Divide the Numerator by the Denominator

Step 2: Change the Decimal to a Percent %




How to change a Fraction into a Decimal
Divide the Numerator by the Denominator




How to change a Decimal into a Percent (%)
Move the decimal point two (2) places to the right.

.06% = 6% .567 = 56.7 % .9876 = 98.76%
How to change a Decimal into a Fraction
Use the decimal digits as the numerator and the last place value as the denominator.




How to solve

What is 5 % of 25 ?
What is 5% of 25
_______ = 5% X 25

Multiply

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