| A | B |
|---|
| sum | answer to an addition problem |
| difference | answer to a subtraction problem |
| product | answer to a multiplication problem |
| quotient | answer to a division problem |
| prime number | whole number greater than one whose only factors are one and itself |
| composite number | whole number greater than one which has more than 2 different factors |
| whole numbers | 0, 1, 2, 3, 4, 5, . . . |
| counting numbers | 1, 2, 3, 4, 5, . . . |
| integers | . . . , -3, -2, -1, 0, 1, 2, 3, . . . |
| numerator | top number in a fraction |
| denominator | bottom number in a fraction |
| rational numbers | numbers which can be written as ratios or fractions |
| variable | a letter that stands for a number |
| equation | a statement that two expressions are equal |
| solution | the number that fits in place of the variable to make an equation true |
| average; mean | the sum of a set of numbers divided by the amount of numbers |
| median | the middle number in a set of data after they are arranged in numerical order |
| mode | the number or numbers that occur most frequntly in a set of data |
| mixed number | a number composed of a whole number and a fraction |
| improper fraction | a fraction in which the numerator is greater than or equal to the denominator |
| proper fraction | a fraction in which the numerator is less than the denominator |
| inequality | a statement that uses symbols such as > or < |
| inverse operations | operations that undo each other |
| proportion | a statement that two ratios are equal |
| range | the difference between the largest and smallest numbers in a set of data |
| ratio | a comparison of two numbers |
| rate | a ratio comparing two different kinds of units |
| repeating decimal | a decimal in which a digit or group of digits repeat infinitely |
| terminating decimal | a decimal which has an ending place value |
| unit rate | a rate with a denominator of 1 |
