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# Hesi Math

TermDefinition
Digit Any number 1 through 9 and 0 (e.g., the number 7 is a digit)
Place Value The value of the position of a digit in a number (e.g., in the number 321 the number 2 is in the "tens" position)
1 ten 10 ones
1 hundred 100 ones
1 thousand 1,000 ones
462+133= 595
835+559= 1,394
5,234-4,112= 1,122
457-29= 428
23*5= 115
623*45= 28,035
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
40 divided by 8 equals The answer is 5
672 divided by 6 The answer is 112
174 divided by 5 The answer is 34.8
Five and seven tenths means 5.7
Whole numbers Whole numbers are written to the left of the decimal point (e.g., ones, tens, hundreds, ten thousands, hundred thousands, millions)
Decimal fractions Place values are written to the right of the decimal point (e.g., tenths, hundredths, thousandths, ten-thousandths, hundred-thousandths, millionths)
2.6+3.1= 5.7
5+12.34= 17.34
7.21-4.01= 3.20
12-8.99= 3.01
75.7*2.1= 158.97
0.002*3.4= 0.0068
3.41*7= 23.87
34 divided by 2.5 The answer is 13.6
2.468 divided by 0.2 The answer is 12.34
0.894 divided by 0.05 The answer is 17.88
Numerator The top number of the fraction. this represents the part or pieces
Denominator The bottom number of the fraction. This represents the total or whole amount
Fraction bar The line that separates the numerator and the denominator
Factor A number that divides evenly into another number
Least common denominator (LCD) 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 decimals A decimal that is not continuous
Ratio A relationship between two numbers
Proportion Two ratios that have equal values
Percent Per hundred (part per hundred) Percent formula is part over whole equals % over 100
Variable A letter representing an unknown quantity
Constant A number that cannot change
Expression A mathematical sentence containing constants and variables (e.g., 3x-2)
Exponent A number or symbol placed above and after another number or symbol, indicating the number of times to multiply
Created by: Rdumont
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