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1.

Addend:

the numbers added in an addition problem. (in 7+4+8, the numbers 7, 4 and 8 are called this)

2.

Average:

add the sum of a group of numbers then divide the total by the number of addends used.

3.

Coordinates:

an ordered pair of numbers that locates a point with reference to the x and yaxes.

4.

Decimal:

a number with one or more digits to the right of a decimal point.

5.

Denominator:

the number below the bar in a fraction.

6.

Difference:

the result of subtraction.

7.

Dividend:

the number that is divided in a division problem.

8.

Divisor:

the number by which a number is being divided.

9.

Equation:

a mathematical sentence with an equal sign.

10.

Estimate:

a number close to the exact amount.

11.

Factor:

one of two or more numbers that are multiplied to give a product.

12.

Fraction:

a number that names a part of whole.

13.

Integers:

the set of positive whole numbers, their opposites (negative numbers) and 0.

14.

Mean:

also called average, the number found by dividing the sum of a group of numbers by the number of addends.

15.

Median:

the middle number when a set of number is arranged in order from least to greatest.

16.

Mixed numbers:

a number that is the sum of a whole number and a fraction.

17.

Mode:

the number or numbers that occur most often in a set of data (or set of numbers).

18.

Numerator:

the number above the bar in a fraction.

19.

Prime Number:

a whole number, greater than 1, that has exactly two factors.

20.

Probability:

the chance of an event occurring.

21.

Product:

the answer in a multiplication problem.

22.

Quotient:

the answer in a division problem.
