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PRAXIS Math
PRAXIS II
Question | Answer |
---|---|
Scientific notation | Writing or displaying numbers in decimal numbers btwn 1 & 10 mult. by a power of 10 IE 10492 is 1.0492 x 10 to the 4th |
Cardinal number | used in counting to indicate quantity but not order ie: 3, 11, 412 |
Ordinal number | A number indicating position in a series or order. IE: 1st, 2nd, 3rd. |
Prime number | A positive interger not divisible without a remainder by any positive interger other than itself and one |
Composite number | An interger exactly divisible by at least one positive integer other than itself or one |
Least Common Factor | The least whole number which can be divided exactly by each of two or more given whole numbers |
Greastest Common Factor | The greatest whole number which will divided exactly into each of two or more given whole numbers |
Factor Tree | A diagram showing all stages of breaking down a number by division into its prime factors. |
Commutative | Two values in an addition can be exchanged with each other without changing the result of the calculation |
Associative | More than two successive additons can be done in any order without changing the result of the caluculatin |
Distributive property | In order to multipy two expressions, each term of one expression must be multiplied by each term of the other expression |
Order of Operations | Please Excuse My Dear Aunt Sally |
A negative multiplied or divided by a negative equals?? | A positive nubmer |
A negative multiplied by a positive equals?? | A negative number |
Treat a negative sign just like | a subtraction sign 3+-2=3-2 or 1 |
Remember you can reverse numbers while... | adding or subtracting -4+2=2+-4+2 -4 =-2 |
A negative number subtracted from another number is the same as adding a ... | positive number 2--=2+1=3 |
The product of any number and Zero is... | zero |
Zero divided by any number is... | zero |
Any number divided by zero is... | zero |
The Area of a triangle | 1/2 the base x height |
Area of a circle is | pi and the radius squared |
circumference of a circle is... | pi and the diameter |
Volume equals | base x height |
perimeter | sum of the lengths forming the sides of a polygon |
Parallel | Everything is equal distance |
Perpendicular | Forming of a right angle |
Angle | The union of two rays with a common endpoint |
The common endpoint of two rays | Vertex |
Angle measure | The amount of rotation of a ray around its endpoint |
Right angle | 90 degree angle |
Right triangle | A triangle with one right angle |
Isosceles triangle | A triangle with at least two congruent sides and two congruent angles |
Hypotenuse | The longest side of a right triangle |
Pytahagorean Theorem | the sum of the squares of the lenths of the sides of a right triangle is equal to the square of the lenglth of the hypotenuse |
Mode | The value or item occurring most frequently in a series of observations or statistical data |