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Everyday Math Gr 4 Unit 5
vocabulary for grade 4 Everyday Math Unit 5
10
Mathematics
4th Grade
01/04/2012

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Term
Billion
Definition
1,000,000,000 or 1,000 million
Term
estimate
Definition
a close, rather than exact, answer; an approximate answer to a computation.
Term
exponential notation
Definition
a way to show repeated multiplication by the same factor.
Term
extended multiplication fact
Definition
a multiplication fact involving multiples of 10, 100, and so on.
Term
magnitude estimate
Definition
a rough estimate of whether a number is in the 1s, 10s, 100s, 1,000s and so on.
Term
million
Definition
1,000,000 or 1,000 thousand.
Term
power of 10
Definition
a whole number that can be written as a product using only 10s as factors.
Term
round number
Definition
to approximate a number to make it easier to work with or to make it better reflect the precision of data.
Term
factors of a number
Definition
the numbers multiplied together that equal the given number.
Term
multiples
Definition
count by's,
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