Math Talent Vocabulary Words

Question Answer
Circumference is the distance around the circle.
Chord is a line segment connecting any two points on the circle.
Arc curve lines on a circle.
Central Angle is an angle whose vertex is the center of the circle.
Diameter is a chord of circle that passes through the center of the cricle.
Radius is a line segment that has on endpoint at the center of a circle and the other endpoint on the circle.
Average the sum of two or more quantities divided by the nunber of quantities.
Trapezoid a quadrilateral plane figure with two parallel
sides and two non-parallel sides.
Area measures the size of a surface.
Perimeter the distance around a close shape.
Ratio is just a comparison between two different things.
Variable a letter used to represent an unknown value.
Fraction part of a whole.
Numerator the part of the whole shaded.
Denominator the total amount of parts.
Decimal a number pertaining to tenths or to the hundreths and beyond.
Equation a number sentence with an equal sign.
Percent is a ratio that compares a number with one hundred.
Proportion is a equation showing two equal ratios.
Commutative Property the order does not change the sum or product.
Rate is a ratio between two quantities for different units.
Absolute Value is its distance away from the #0 on a number line.
Volume is the space that a figure occupies.
Associative Property the grouping will not change the sum or product.
Intergers a whole positive or negative number.
Computer

a machine that stores and processes information.

Analytical Engine a computer that punched codes onto a card. It was invented by Charles Babbage.
Conditional Statement a program that allows a computer to select from a group of actions to perform.
Z3 the first programable computer that wasn't tied to a specific function.
Mark 1 a giant caculator the size of a room that could perform any number of equations.
E.N.I.A.C electronic numeral intergrator and caculator.
Integrated Circuits miniature electronic devices that store and hold transistors.
Transistors the switches that control the flow of electricity in a computer.
Microprocessor a silicon chip that holds thousands of transistors.
Apple 2 the first popular home computer.
Input the data that is entered into the computer.
Output the computer generated information that is displayed to the user in some discernible from such as a screen display, printed page, or sound.
Storage any device in which information or data is stored.
Processing the manipulation of data by a miccroprocessor or embedded processor according to instructions given to it by a program or embedded in the chip itself.
Electronic adjective for describing a device or result that is dependent on the action of electrons to work.
Software the processor and data that make computer programs work.
Hardware the physical parts of your computer that you can touch or feel such as the keyboard, monitor, and computer case.
Microprocessor the main processing unit of a computer or into processing device the brains of the machine carrying out instructions performing calculations and interacting with the components used to operate the computer.
RAM memory to store data and programs currently being processed. Auto erased when power off. Ram must be saved on desk or tape for future use.
ROM stored permanet systems instructions which are never changed. It hold contents even when the power is turned off. Data is placed in ROM only once and stays there permanently ROM is generally installed by the manufacturer as part of the system.

Batesville Middle School Vocabulary Practice

Question Answer
Variable a symbol, usually a letter, that represents one or more numbers
Algebraic Expression a mathematical phrase that can include numbers, variables, and operational symbols. (sometimes called variable expressions).
Equation a mathematical sentence that contains an equal sign
Open Sentence an equation that contains one or more variables
Simplify to replace an expression with its simplest name or form
Exponent a number that shows repeated multiplication
Base a number that is multiplied repeatedly
Evaluate to substitute a given number for each variable, and then simplify
Natural Numbers the counting numbers (1, 2, 3, . . .)

Formulas for Quarter 3 MSM2

Question Answer
What is the Pythagorean Theorem? a squared plus b squared equals c squared
What is the formula for area of a parallelogram? Base times height
What is the formula for area of a triangle? Base times height divided by 2
What is the formula for area of a trapezoid? Height times (base 1 + base 2) divided by 2
What is the formula for surface area? 2lw + 2lh + 2wh
What is the formula for volume of a rectangular prism? length times width times height
What kind of units should you use for area? Squared units
What kind of units should you use for volume? Cubed units
What kind of units should you use for side lengths and for perimeter? Regular units
What is the formula for the volume of a triangular prism? Base times altitude times height divided by two
What is the formula for the volume of ANY prism Area of the base times the height

Formulas for Quarter 3

Question Answer
What is the formula for circumference? 3.14 times diameter
What is the formula for area of a triangle? Base times height divided by 2
What is the formula for area of a rectangle or square? Length times width
What is the formula for volume of a rectangular prism? length times width times height
What kind of units should you use for area? Squared units (2)
What kind of units should you use for volume? Cubed units (3)
What kind of units should you use for perimeter? Regular units
How do you determine perimeter Add all sides

geometery terms

Question Answer
Point A location in space – a dot on a piece of paper
Line Connects two points and continues forever in both directions
Line Segment Two endpoints connected by a set of points making a segment.
Perpendicular Lines Line Segments that intersect (cross) at an angle of 90°
Parallel Lines Line segements that never intersect.stay the same distance apart
Right Angle An angle that measures 90°
Acute Angle An angle that measures less than 90°
Obtuse Angle An angle that measures more than 90°
Vertex Point at which two line segments intersect (forming an angle)
Scalene Triangle A triangle with all three sides with different lengths
Isosceles Triangle A triangle with two equal length sides
Equilateral Triangle A traingle with all three sides of equal length
Radius Distance from center of a circle to the edge
Diameter A line segment through a circle passing through the circle's center
Chord A line segment joining two points on a curve.
Arc Part of a curve- outside of the circle
Ray Starts at an endpoint and continues in one direction forever
quadrilateral 4 sided polygon
pentagon 5 sided polygon
hexagon 6 sided polygon
heptagon 7 sided polygon
octagon 8 sided polygon
nonogon 9 sided polygon
decagon 10 sided polygon
degrees in a triangle 180
degrees in a quadrilateral 360
degrees in a pentagon 540
degrees in a hexagon 720
degrees in a heptagon 900
degrees in a octagon 1080
two angles in a triangle are 39 and 29, what is the measure of the third angle? 112

Three dimensional figures

Question Answer
Is a three-dimensional object or solid figure or solid figure with faces Polyhegron
Flat surfaces on a figure Face
Two faces of a three-deminsional figure that share a side Edge
A point which a three-deminsional figure's edges meet to make a point Vertex
Is a polyhedron with two or congruent parallel bases Prism
Ar ethe bottom and top of a prism, for a pyramid the bottom Base
Has one polygon shaped base and the other faces are triangles that come to a point(is named after its base) Pyramid
Also has two congruent parallel bases, but bases of the solid is circular Cylinder
Has circular base and a curved surface that comes to a point Cone