ABCDEFGHIJKLMNOPQRSTUVWXYZ
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4th Grade
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Unit 1
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basetypeoriginmeaningvocabulary attached to in the unitother examples
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multi-prefixlatinmanymultiple
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factbaselatinto make, performer, makerfactorfactory
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primbaselatinoriginal, honorable, nobleprime number
primal, prime color
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com/conprefixlatinwith or togethercomposite numbercommunity,
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-orsuffixlatinsomeone who/ something thatfactor
doctor, governor
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posebaselatinput or placecomposite numberposition,
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re-prefixlatinagainrecordrecord represent
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pre-prefixlatinbeforepredictpredict
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dictbaselatinspeak/pronouncepredict
prdict, dictation, dictator
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exprefixlatinout or away fromexplain
explain, extract, example
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Unit 2 typeoriginmeaningvocabulary attached to in the unit
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fractbaselatinto breakfractionfracture
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-ionsuffixlatinthe process of/ the result offraction, partition, subtraction,multiplication
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partbaselatinto sharepartition
partner, depart, party
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numerbaselatinnumbernumerator
numeral, number, numerical
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nombaselatinto namedenominator
nominate, nomination, denomination
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Unit 3typeoriginmeaningvocabulary attached to in the unit
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subprefixlatinundersubtraction
submarine, subway
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tractbaselatinto pullsubtraction
tractor, digestive tract
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de-prefixlatinopposite of decompose
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Unit 4typeoriginmeaning
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decibaselatin10/ ten or (1/10)/ tenthdecimal/sdecimate
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centbaselatin
100/ one hundred or (1/100)/ one hundredth
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