Math Vocab Ch.1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| quantity | anything that can be measured of counted
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| variable | a symbol, usually a letter, that represents the value(s) of a variable quantity
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| algebraic expression | a mathematical phrase that includes one or more variables
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| numerical expression | mathematical phrase with numbers and operation symbols, but no variables
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| power | has two parts.... the base and exponent
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| exponent | tells you how many times to use the base as a factor
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| base | the part of the power that is being multiplied
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| simplify | to replace an expression with its simplest number or form
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| evaluate | to replace each variable with a given number and simplify using order of operations
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| square root | a number A is a square root of a number B if AxA = B
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| raicand | the expression under the radical symbol
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| radical | the radical symbol and radicand together
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| perfect square | the square of an integer
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| set | a well-defined collection of objects; elements listed within braces { }
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| elemental of a set | each object in a set
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| subset | consists of elements from the given set
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| rational numbers | any number you can write in the form a/b where a and b are integers and b does not equal 0
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| natural numbers | 1,2,3,4,5...
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| whole nubers | 0,1,2,3,4,5...
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| integers | ...,-5,-4,-3,-2,-1,0,1,2,3,4,5...
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| irrational numbers | cannot be represented as the quotient of two integers
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| real numbers | rational numbers and irrational numbers
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| inequality | mathematical sentence that compares the values of two expressions using the inequality symbols such as < > ≤ ≥
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| equivalent espressions | algebraic expressions that have the same value for all values of variables
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| deductive reasoning | the process of reasoning logically from the given facts to a conclusion
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| counter example | an example showing that a statement is false
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| absolute value | a number's distance from 0 on a number line (always nonnegative)
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| opposites | two numbers that are the same distance from 0 but in opposite directions on a # line
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| additive inverses | a number and its opposite
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| inverse Property of Addition | the sum of a number and its opposite -> ALWAYS 0 (a+-a=0)
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| multiplicative inverse | a number that when multiplied will result in a product of 1 (ax1/a=1)
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| reciprocal | if a/b then b/a
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| distributive property | used to simplify the product of a number and one or more variables
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| term | a number, variable, or the product of a number and one or more variables
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| constant | a term that has no variable
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| coefficient | a numerical factor of a term
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| like terms | have the SAME variable factors
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| equation | a mathematical sentence that uses an equal sign
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| open sentence | equation containing one or more variables and may be true or false depending on the values of its variables
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| solution of an equation (1) | a value of the variable that makes the equation true
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| solution of an equation (2) | an ordered pair (x,y) that makes the equation true
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| inductive reasoning | process of reaching a conclusion based on an observed pattern
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
LBurnham
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