Sort 15 Identify the prefixes mono-, bi- and tri- and understand how they influence the meanings of words mono- bi- tri- monologue monopod monopoly monorail monotone monotony biennial bisect binary bicameral biweekly bimonthly biceps tripod tricolor trilogy trigonometry tricentennial triathlon triplets triennial Sort 15 The meaning of base words such as monthly are changed by the addition of prefixes such as bi- and triPrefix mono- means “one”, prefix bi- means “two” and tri- means “three”
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