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Casteel Math Vocab.

Math SOL Review

Which is longer: radius or diameter? diameter
What is ½ as a decimal? 0.5
What is ¾ as a decimal? 0.75
Subtracting the smallest number from the largest in a set gives you the ______________. range
If a circles diameter is 10 cm, what is its radius? 5 cm
If a circles diameter is 10 cm, about what is its circumference? 30 cm
Adding all the sides of a square or rectangle gives you the_____. perimeter
Multiplying the length times the width of a rectangle gives you the _________________. area
An unknown quantity represented by a letter or symbol variable
What do the three angles in a triangle add up to? 180 degrees
What kind of triangle has one obtuse angle? obtuse triangle
On a circle, the line that goes from the center to the outside edge of the circle radius
On a circle, the line that cuts the circle in half diameter
A triangle with two congruent sides isosceles
A triangle with all sides congruent equilateral
A triangle with no sides congruent scalene
An angle that measures 90 degrees is: right
An angle that measures more than 90 degrees is: obtuse
An angle that measures less than 90 degrees is: acute
What do you do first in the order of operations? parentheses
Do you do addition or multiplication first in order of operations? multiplication
Which is also known as “fair share”: mean or mode? mean
Which describes the “variation” or spread in a set of data: range or mean? range
In the expression “n – 3 = 5” what is the variable? n
What kind of number has only two factors? prime
If you are fencing in your back yard, you need to know the yard's _____________. perimeter
If you are putting carpet in a room, you need to know the room's __________________. area
If you are filling a swimming pool, you need to know the pool's _________________. volume
2L+2w= perimeter
LxW= area
How do we remember the order of operations? Please excuse my dear Aunt Sally.
What kind of number has three or more factors? composite
If you are buying paint to cover a wall, you need to know the wall's __________________. area
If you are framing a picture, you need to know the picture's _________________. perimeter
What do you call the distance around a circle? circumference
Another word for the average mean
The number that occurs most often mode
Mean, mode, and median are all ___________________________. measures of center
Range is the measure of: spread
The number in the middle in a set of numbers is the __________. median
These numbers cannot be divided by 2 odd
These numbers can be divided by 2 even
How do you change a fraction to a decimal? Remember horse and rider. divide the numerator by the denominator
Created by: lkcasteel
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