Math Terminology 2

more math terms here!   Terminology 3     Terminology

What is the term for the study of underwater depth of lakes or oceans?
What is the term for the measurement of land elevation relative to sea level?
What is the term for marking off of an instrument into units for measuring?
What is the name for a three-dimensional figure with eight faces (sides)?
What is the name for a three-dimensional object with 10 faces (sides)?
What is the math term for a polyhedron shaped like a soccerball (made of hexagons and pentagons)?
What is the math term for a four-sided figure with two sets of parallel sides?
What is the math term for a figure with four sides of the same length?
What is the name for a four-sided figure with one pair of parallel sides?
Here's a huge number: 1,000,000,000,000,000,000,000,000,000,000 (1 followed by 30 zeros) -- what is it called?
Here's a big number: 1,000,000,000,000,000 (1 followed by 15 zeros) -- what is it called?
Here's a big number: 1,000,000,000,000,000,000 (1 followed by 18 zeros) -- what is it called?
Here's a big number: 1,000,000,000,000,000,000,000 (1 followed by 21 zeros) -- what is it called?
Here's a big number: 1,000,000,000,000,000,000,000,000 (1 followed by 24 zeros) -- what is it called?
What is the name for a three-dimensional object with twelve faces (sides)?
What is the name for an angle that measures exactly 90 degrees?
What is the name for a quantity to be divided? (In the problem 12 ÷ 3 = 4, what do we call 12?)
What is the math term for the amount that remains after one quantity is subtracted from another? (In the problem 11 - 5 = 6, what do we call 6?)
What is the name for a prism with six rectangular faces?
What is the name for the set of whole numbers and their opposites?
What is the name for two lines which are always the same distance apart?
What is the name for two lines which form right angles?
What is the name for a system of measurement based on tens (whose basic unit of length is the meter and basic unit of mass is the gram)?
What is the name for numbers less than zero?
What is the math term for a number which has exactly two different factors: 1 and itself?
What is the math term for a number which has more than two different factors?
What is the name for a polygon whose sides are not all the same length?
The ten digits in our numeration system are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Where does the word "digits" come from?
What is the name for instruments which measure the thickness or diameter of an object?
What is the name for a 7-sided polygon?
What is the name for a 21-sided polygon?
What is the "frequency" of an event?
What is the name for the flat surfaces of a polyhedron?
What word describes a polygon with all sides equal in length?
What is the name for individual members of a set?
What do we call a statement in mathematics that is assumed to be true without proof?
What is the name for an instrument used to measure angles?
What is the name for the branch of applied mathematics which is used to determine the shape, size, curve, and gravity of the earth?
What is the math term for a quadrilateral that is not a parallelogram, but has two pairs of equal sides?
What is the name for an imaginary great circle on the earth's surface, passing through both poles and perpendicular to the equator?
In a perspective drawing, what do we call the place where parallel lines seem to come together?
What is the name for a right prism whose bases are trapezoids?
A centennial  is something that occurs every 100 years. What is the math term for something that occurs every seven years?
What is a reflex angle?
What is the term for a closed 3-dimensional solid bounded by plane faces, where each face is a polygon?
What is the term for one turn of 360 degrees about a point?

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