8 terms

# 4th Grade Everyday Math Unit 5

Unit Vocabulary
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billion
the number that is represented as a one followed by 9 zeros (1,000,000,000)
estimation
making an educated guess at a measurement or amount
extended multiplication fact
A multiplication fact involving multiples of 10,100, and so on (Ex. 20 x 100 = 2,000)
exponent
the number of times a quantity (amount) is multiplied by itself
million
the number that is represented as a one followed by 6 zeros (1,000,000)
rough estimate
provides a guess of a final amout or value
round
(of numbers) to the nearest ten, hundred, or thousand
trillion
the number that is represented as a one followed by 12 zeros (1,000,000,000,000)