Prin 2 Math Flashcards
(457 cards)
Whole Number:
Any number between zero and infinity. Whole numbers are not fractions or negative numbers.
Synonyms:
Positive integers, basic numbers
Fraction:
A fraction is part of a whole — a fraction is not a whole number.
Numerator:
The number on top of a fraction’s division line or the number of the parts with which you are working; also called the divisor.
Denominator:
The number below the fraction’s bottom line or the number of equal parts in total; also called the divisor.
Improper Fractions:
When the value of the numerator (the number on top) is greater than the denominator (the number on the bottom), the fraction is an improper fraction.
Mixed Numbers:
A number consisting of a whole number and a fraction.
Decimal:
A fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point.
Decimal Definition in Normal, Real Life Words:
A number that involves a decimal point.
Ratio:
The quantitive relation between two numbers.
Percentage:
A fraction or ratio with a denominator of 100.
Usually written as just the numerator and a % symbol.
Profit:
A financial gain. Making more money selling a product than was spent buying or producing the product.
Loss: A financial loss —
Making less money selling a product than was spent buying or producing the product.
Interest:
Money repaid regularly at a specified rate as compensation for money lent.
Principal:
amount lent to a borrower to purchase a house — the borrower pays the lender interest in exchange for the principal.
Mortgage:
A mortgage is a secured loan that is tied to real estate, where the borrower has to pay the money back to the lender on a set schedule and amount of payments. Mortgages are also considered “liens against property” or “claims on property.”
Down Payment:
initial payment made when buying something on credit; a down payment is paid directly by the buyer to the seller. The standard down payment is 20% of the overall house price, and while a 20% down payment is recommended, it is not required. The minimum down payment required by mortgage lenders is 3% of the house’s price.
Amortization:
The repayment of a loan over time in equal installments that include principal and interest.
TREC has its own requirements for calculator use on the licensing exam. TREC-acceptable calculators must:
Be silent
Be battery-operated
Not have paper tape printing capabilities
Not have an alphabet keyboard
Percent comes from a Latin phrase “per centum ”, percent essentially means
Per hundred
You can never solve a problem while a percentage is still in percentage form — it must be changed into its
Decimal form
Percentage:
A rate or amount in each hundred (3⁄4 is 75% written as a fraction)
Part:
A portion of the total amount, the numerator (3 of 3⁄4)
Total:
The “final” or “end result” number, the denominator (4 of 3⁄4)