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=Grade 4 Math, Chapter 7=


 * Vocabulary

__quotient__** : The answer to a division problem.

__**compatible numbers**__: numbers that are easy to compute mentally.

__**overestimate**__: An estimate that is greater than the exact answer.

__**uderestimate**__: an estimate that is less than the exact answer.

__**remainder**__: The number that remains after the division is complete.

__**dividend**__: The number to be divided.

__**divisor**__: The number by which another number is divided.

__**divisible**__: Can be divided by another number without leaving a remainder.

__**divisibility rules**__: The rules that state when a number is divisible by another number.

__**mean**__: An average, found by adding all the numbers in a set and dividing by the number of values.

__**average**__: The mean, found by adding all the numbers in a set and dividing be the number of values.

__**rounding**__: replacing a number with a number that tells about how many or how much.