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### 116 Cards in this Set

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 Digit Any number 1 through 9 and 0 Place Value The value of the position of a digit in a number Product The answer to a multiplication problem Dividend The number being divided Divisor The number by which the dividend is divided Quotient The answer to a division problem Remainder The portion of the dividend that is not evenly divisible by the divisor Decimal Pertains to the tenths or to the number 10 Place Value The value of the position of a digit in a number Multiplication of Decimals Move the decimal point the number of places to the left as there are in the numbers being multiplied Division of Decimals Move decimals over in both the divisor and dividend to create whole numbers, then divide Fraction A way to express a part in relation to the total Numerator The top number in a fraction Denominator The bottom number in a fraction Fraction Bar The line between the numerator and denominator; another symbol for division Factor A number that divides evenly into another number Least Common Denominator The smallest multiple that two numbers share Improper Fraction A fraction where the numerator is larger than the denominator Proper Fraction A fraction where the denominator is larger than the numerator Common Denominator Two or more fractions having the same denominator Reciprocals Pairs of numbers that equal 1 when multiplied together Terminating Decimal A decimal that is not continuous Turning an Improper Fraction into a Mixed Number The numerator goes in the "box" an the denominator stays out and divide; the number that it divides into becomes the whole number, the remainder becomes the numerator, and the denominator stays the same. Addition of Fractions with Unlike Denominators 1. Find the LCD of each denominator2. If the denominator is changed, the numerator must also be changed by the same number by multiplying the numerator and denominator by the same number3. Add the numerators together, and keep the common denominator4. Reduce the fraction if necessary Addition of Mixed Numbers 1. Leave the whole number alone and focus solely on the fraction2. Find the least common denominator of the fractions3. If the denominator is changed, the numerator must also be changed by the same number by multiplying the numerator and denominator by the same number4. Bring back the whole numbers to their designated fraction5. Add together the whole numbers6. Add together the numerators and keep the common denominator7. Reduce the fraction if necessary Subtracting Fractions with Unlike Denominators 1. Find the LCD of the fractions2. If the denominator is changed, the numerator must also be changed by the same number by multiplying the numerator and denominator by the same number3. Subtract the numerators and keep the denominators the same4. Reduce the fraction if necessary Multiplication of Fractions 1. Multiply the numerators together2. Multiply the denominators together3. Reduce the fraction if necessary Division of Fractions 1. Write the inverse of the second fraction2. Multiply the numerators3. Multiply the denominators (do not find LCD)4. Reduce the fraction if necessary Ratio A relationship between two numbers Proportion Two ratios that have equal values Ways to write Ratios 1. a/b2. a:b3. a to b Ways to write Proportions 1. a/b = c/d2. a : b :: c : d Percent Per hundred (part per hundred) Percent Formula Part/Whole = %/100 1/2 as a Decimal 0.50 1/2 as a Percent 50% 1/4 as a Decimal 0.25 1/4 as a Percent 25% 3/4 as a Decimal 0.75 3/4 as a Percent 75% 1/5 as a Decimal 0.20 1/5 as a Percent 20% 2/5 as a Decimal 0.40 2/5 as a Percent 40% 3/5 as a Decimal 0.60 3/5 as a Percent 60% 4/5 as a Decimal 0.80 4/5 as a Percent 80% 1/8 as a Decimal 0.125 1/8 as a Percent 12.5% 3/8 as a Decimal 0.375 3/8 as a Percent 37.5% 5/8 as a Decimal 0.625 5/8 as a Percent 62.5% 7/8 as a Decimal 0.875 7/8 as a Percent 87.5% 1/3 as a Decimal 0.333... 1/3 as a Percent 33.3% 2/3 as a Decimal 0.666... 2/3 as a Percent 66.6% 12:00 AM (Midnight) in Military Time 0000 1:00 AM in Military Time 0100 2:00 AM in Military Time 0200 3:00 AM in Military Time 0300 4:00 AM in Military Time 0400 5:00 AM in Military Time 0500 6:00 AM in Military Time 0600 7:00 AM in Military Time 0700 8:00 AM in Military Time 0800 9:00 AM in Military Time 0900 10:00 AM in Military Time 1000 11:00 AM in Military Time 1100 12:00 PM (Noon) in Military Time 1200 1:00 PM in Military Time 1300 2:00 PM in Military Time 1400 3:00 PM in Military Time 1500 4:00 PM in Military Time 1600 5:00 PM in Military Time 1700 6:00 PM in Military Time 1800 7:00 PM in Military Time 1900 8:00 PM in Military Time 2000 9:00 PM in Military Time 2100 10:00 PM in Military Time 2200 11:00 PM in Military Time 2300 Variable A letter representing an unknown quantity Constant A number that cannot change Expression A mathematical sentence containing constants and cariables Exponent A number or symbol placed above and after another number or symbol (a superscript or subscript), indicating the number of times to multiply Roman Numeral I 1 Roman Numeral II 2 Roman Numeral III 3 Roman Numeral IV 4 Roman Numeral V 5 Roman Numeral VI 6 Roman Numeral VII 7 Roman Numeral VIII 8 Roman Numeral IX 9 Roman Numeral X 10 Roman Numeral XI 11 Roman Numeral XX 20 Roman Numeral XXX 30 Roman Numeral XL 40 Roman Numeral L 50 Roman Numeral LX 60 Roman Numeral LXX 70 Roman Numeral LXXX 80 Roman Numeral XC 90 Roman Numeral C 100 Roman Numeral D 500 Roman Numeral M 1,000 Roman Numeral V (line) 5,000 Roman Numeral X (line) 10,000 Roman Numeral L (line) 50,000 Roman Numeral C (line) 100,000 Roman Numeral D (line) 500,000 Roman Numeral M (line) 1,000,000