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9 Cards in this Set

  • Front
  • Back
sum
the number that is the result of
adding two or more addends
estimate
to find a number that is close to an
exact number
addend
A number added to find a sum
regroup
To name a whole or decimal number in
a different way.
types of coins
half dollar
quarter
dime
nickle
penny
cent
unit of money. 100 equals one
dollar.
dollar
a bill or coin worth 100 cents.
change
The amount of money you receive back
when you pay with more money than
something costs.
front-end estimation
A way to estimate a sum by adding
the first digit of each addend.