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7th Math C1 Savvas
07th Math C1 Savvas
| Term | Definition | Example |
|---|---|---|
| additive inverse | the opposite of a given number | the opposite of 6 is (-6) |
| complex fraction | a fraction A/B where A and/or B are fractions and B is not zero | (a/b) / (c/d) |
| multiplicative inverse | a number's reciprocal | 5/3 and 3/5 |
| repeating decimal | a decimal that has an expansion that repeats the same digit, or block of digits, without end | 6.232323.... |
| terminating decimal | a decimal that has an expansion that terminates in 0 | 5.250 |
| absolute value | always a positive number and refers to the distance of a number from zero | |a| |
| associative property of addition | this property states that when performing addition, how numbers are grouped will not change the sum | (a + b) + c = a + (b + c) |
| average | another word for mean of a set which is found by adding all the numbers and dividing by the number of numbers | (a + b + c + d) /4 |
| commutative property of addition | changing the order of the terms in an expression does not change its value | a + b = b + a |
| identity property of addition | the sum of any number and zero is the number | n + 0 = n |
| integer | the set of positive whole numbers, their opposites, and zero | 3, -3, 0, etc |
| negative number | numbers less than zero | -6, -1000, etc |
| negative sign | a mathematical symbol used to indicate a value less than zero or to indicate the operation of subtraction | (-) |
| operation | an action or rule that tells you what to do with one or more numbers | times, division, etc |
| opposite numbers | two numbers that are the same distance from zero on a number line, but in opposite directions | 1 and -1 |
| opposite signs | refer to a positive and a negative sign | (-) and (+) |
| opposite values | two numbers that are the same distance from zero on a number line but sit on opposite sides of it | 6 and -6 |
| positive number | numbers greater than zero | 7, 500, 62 |
| rate | a ratio involving two quantities measured in different units | 1 foot: 12 inches |
| rational number | a number than can be written as a fraction and the denominator is not zero | 6/7, 121/1, etc |
| simplify | to rewrite an expression, equation, or fraction into a shorter, less complicated form without changing its overall value | 6/3 = 2/1 |
| undefined | an expression has no valid meaning, value, or consistent answer within a specific number system | 6/0 |
| zero property of multiplication | the product of any number and zero is zero | n(0) = 0 |
| distributive property | multiplying the terms of an expression with the same number | a(b + c) = ab + ac |
| convert | to change the form, unit, or expression of a number or measurement into an equivalent value | 36 in to 3 ft |
Created by:
PRO Teacher
shelleypruit