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Order of Operations (PEMDAS) -CORRECT ANSWER Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
Whole Numbers -CORRECT ANSWER 1,2,3,4, etc..
Steps for Solving Word Problems -CORRECT ANSWER 1. Read Problem Carefully
2. Determine whats being asked
3. Underline the Important information
4. Set up Problem
5. Solve Problem
6. Check CORRECT ANSWER
Mixed Numbers -CORRECT ANSWER Number that represents the sum of a whole
number and a proper fraction
Improper Fraction -CORRECT ANSWER fraction whose numerator is larger than its
denominator
Proper Fraction -CORRECT ANSWER fraction whose numerator is less than its
denominator
Least Common Denominator (LCD) -CORRECT ANSWER smallest common multiple of
the denominators; the least number that both denominators divide into evenly
Simplified Fraction -CORRECT ANSWER fraction in its simplest form
Steps for Multiplying decimals -CORRECT ANSWER 1. Set up numbers as if they were
whole numbers
2. multiply the numbers
3. count the number of decimal places in the factors
4. start from the right and move the decimal the number of decimal places you counted
in step 3
5. place the decimal
, Steps for Dividing Decimals -CORRECT ANSWER 1. set up the problem to be an
equivalent in which the divisor is a whole number by moving the decimal in the dividend
the same number of places that you moved the decimal in the divisor
2. when doing long division place the decimal in the quotient directly above the decimal
point in the dividend
3. divide as if it were a whole number
Real Number -CORRECT ANSWER number that appears on the number line as either
a rational number or an irrational number
Rational Number -CORRECT ANSWER any real number that can be written as a
fraction, terminating decimal, or repeating decimal
Irrational Number -CORRECT ANSWER numbers that can be written as fractions,
square roots, cube roots, and pi *not all roots are irrational
Calculating Percents -CORRECT ANSWER 1. change written statement into a math
equation
2. solve for the unknown quantity
3. rewrite the statement and makes sure that the CORRECT ANSWER is reasonable
Percent increase/decrease -CORRECT ANSWER Percent Increase = original value-
new value/original value x 100
Percent Decrease = new value-original value/original value x 100
Fractions to Decimals -CORRECT ANSWER divide numerator by denominator
Decimals to Fractions -CORRECT ANSWER 1. write the digits of the decimal number in
the numerator of the fraction
2. write a number that is the power of 10 as the denominator, the number should have
as many zeroes as there are decimal places to the right of the decimal
3. write the decimal fraction in simplest form
Fraction to Percent -CORRECT ANSWER convert fraction to decimal then multiply by
100
Percent to Fractions -CORRECT ANSWER 1. remove %
2. write the number from step 1 in the numerator and write 100 as the denominator
3. simplify
Percent to Decimal -CORRECT ANSWER divide by 100 or just move decimal to the left
2 places
Decimals to Percent -CORRECT ANSWER multiply by 100 or just move the decimal to
the right 2 places