dividend, The number to be divided in a division problem, sum, The answer to an addition problem, subtraction, The operation that you can use to find out how much more one number is than another, unit, A fraction with a numerator of 1 is a/an ____ fraction, addition, ________ and subtraction are inverse operations, add, To put amounts together, group, When you trade 10 ones for 1 ten, you _____.

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