Quantitive Literacy WGU D771 (Elementary Education)

QuantitiveLiteracyWGUD771(ElementaryEducation) n n n n n




Already Passed,A+
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1. Variable: a symbol,usually a letter, representing an unknown number
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2. Constant: a fixed value that does not change n n n n n n n




3. Coefficient: anumber thatis multipliedbya variable n n n n n n n n




4. Expression: does not contain an equal sign, can be simplified, ex: 4+3, x-21, 3a+56
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5. Equation: containanequalsignwithanexpressiononeitherside,solvedtofindthevalue,ex:4+3=5+2,x+10=25,
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3m-7=n+1
6. How to change a whole number to a decimal: movethedecimalovertotheright2times
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7. Equations require the to match: UNITS (you can't have inchesand feet in the same
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equationso you have toconvert inches to feet)
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8. Ratio: a unit relates a value to a specific quantity of a thing
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9. Units: areobjectslikepeopleorcarsormeasurements
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10. The top of a fraction is called the: numerator
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11. The bottom of a fraction is called the: denominator
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12. How do you simplify a fraction: dividebythecommonfactor
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13. When adding and subtracting fractions what must be the same?: Thedenomina-
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tors
14. Whenmultiplyinganddividingfractionsdothedenominatorshavetobethe
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same?: NO
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15. Rates: a ratio that relates values with ditterent units ex:portable restrooms per person
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16. Function: arelationofeachvalueofonevariabletoavalueofanothervariable
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17. Slope Intercept form: y=mx+b n n n




18. Area of a circle equation: pixradius^2
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19. Simple interest equation: I=Prt n n n n n




20. compound interest equation: A=P(1+r/n)^nt n n n




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