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p7th math C1-C4
7th Grade math C1/C2/C3/C4
| Term | Definition |
|---|---|
| integers | the set of whole numbers and their opposites |
| absolute value | the distance between a number and 0 on a number line. |
| rational number | a number that can be written as a fraction and the denominator cannot be 0 |
| terminating decimal | a decimal that ends |
| repeating decimal | a decimal that has a pattern that repeats |
| like terms | terms of an algebraic expression that have the same variables raised to the same exponents |
| simplest form | an algebraic expression that has no like terms and no parenthesis |
| linear expression | an algebraic expression in which the exponent of the variable is 1 |
| equivalent equations | equations that have the same solutions |
| inequality | a mathematical sentence that compares expressions |
| solution of an inequality | a value that makes an inequality true |
| solution set | the set of all solutions of an inequality |
| graph of an inequality | a graph that shows all the solutions of an inequality on a number line |
| negative number | a number less than 0 |
| product | the result of a multiplication problem |
| quotient | the result of a division problem |
| order of operations | the order in which to perform operations when evaluating expressions with more than one operation (addition, subtraction, multiplication, or division |
| algebraic expression | a mathematical expression containing numbers, variables, and operations (addition, subtraction, multiplication, division) |
| simplify an expression | to rewrite an expression to have no like terms and no parenthesis |
| complex fraction | a fraction that has at least one fraction in the numerator, denominator, or both |
| constant of proportionality | the number 'k' in the direct variation equation y = kx |
| cross products | when multiplying fractions, the numerator of the first fraction is multiplied by the denominator of the second fraction; then the numerator of the second fraction is multiplied by the denominator of the first fraction |
| direct variation | two quantities 'x' and 'y' are directly varied when y = kx, where 'k' is a number and 'k' cannot equal 0 |
| inverse variation | two quantities 'x' and 'y' are inversely varied when y = k/x, where 'k' is a number and 'k' cannot equal 0 |
| proportion | an equation stating that two ratios are equivalent |
| proportional | when two quantities form a proportion, they are call this |
| rate | a ratio of two quantities using different units |
| ratio | a comparison of two quantities, using division |
| slope | a ratio of the change in 'y' (vertical change) to the change in 'x' (horizontal change) between any two points on a line; It is a measure of the steepness of a line |
| unit rate | a rate that compares a quantity to one unit of another quantity |
Created by:
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shelleypruit
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