| A | B |
|---|
| = | is equal to |
| > | greater than |
| < | less than |
| algebraic expression | expression written using one or more variables |
| associative property of addition | (2 + 3) + 5 = 2 + (3 + 5) |
| associative property of multiplication | (5 x 2) x 3 = 5 x ( 2 x 3) |
| average | number found by dividing the sum of addends by the number of addends |
| difference | answer in a subtraction problem |
| dividend | number to be divided in a division problem |
| divisor | number by which a number (dividend) is divided by |
| estimate | answer closest to an exact answer found by rounding |
| expanded form | 3,251=3,000 +200+50+1 |
| exponent | number that tells how many times a base number is to be multiplied by itself |
| factor | number that is multiplied by another problem to find a product |
| common factor | number that is a factor of 2 or more numbers |
| common multiple | number that is the multiple of 2 or more given multiples |
| fraction | number that names part of a group or part of a whole group |
| greatest common factor | largest number that is a factor of 2 or more numbers EX. 18 is the GCF of 54 and 72 |
| least common denominator (LCD) | smallest number, other than 0, that is a multiple of 2 or more denominators |
| least common multiple (LCM) | smallest number, other than 0, that is a multiple of 2 or more given numbers |
| mixed number | number made up of a whole number and a fraction |
| quotient | answer in a division problem |
| simplest form | reduced fraction; lowest terms |
| prime factors | number written as product of all its prime factors EX. 24=2x2x2x3 |
| product | answer in a multiplication problem |
| unlike fraction | fractions whose denominator are not the same |
| standard form | form in which numerals are usually written EX. 34,561,009 |
| variable | letter used to represent a number |
| zero property of addition | sum of any number and zero is that number EX.56+0=56 |
| zero property of multiplication | product of any number and 0 is 0 EX. 89x0=0 |
| prime number | a number which only has itself and 1 as factors |
| composite number | whole number greater than 1 with more than 2 whole number factors |
| range | difference between the greatest and least numbers |
| mean | average of a group of numbers |
| median | middle number in a group of numbers arranged in numerical order; if there are 2 middle numbers, the median is the average of the 2 nunmbers |
| mode | number which occurs most often |
| ratio | comparison of 2 numbers; can compare 1 amount to another amount,a part to a whole, or whole to a part |
| rate | ratio that compares 1 quantity to a different quantity |
| proportion | number sentence or equation that states that 2 ratios are equivalent; 3/5=6/10percent |
| percent | ratio of a number to 100; means "per humdred" |
| scale | ratio of the actual size of an object to the size of the object in a drawing |
