Mathematics Flashcards
What is the formula for the area of a rectangle
A= Length X width
What is PI
PI is a constant 3.1416 and is the ratio of the circumference to the diameter of any circle
What is the formula for the circumference to the diameter of any circle
C=Pi x D
What is the formula for the area of a circle
A= PI x R squared
What is the formula for the volume of a cylinder
V = pi x R squared x H
What is the formula used for finding the volume of a rectangle
V= L x W x H
What is the root of a number
Is the base number that when multiplied by itself one or more times will produce the given number
Root of 4 is 2, 2x2= 4
Give examples a perfect square numbers
4, 9, 16, 64, 100, 144
What is a squared number
A number that is multiplied by itself. The square of two is four
How do you express a decimal as a percent
Move the decimal two places to the right and add the %
.75 is 75%
Using the powers of 10, how many 1,000,000 Be expressed
10 to the sixth power
What is scientific notation
Representing very large or small numbers using the power of 10
What is this some of a large negative number and a small positive number
Subtract the smaller number from the larger number and use the sign of the larger number in the answer
How is a ratio expressed
As a fraction or it may be written using a colon (:) as a symbol for expressing a ratio. the ratio of 5 to 7 may be written as 5/7 or 5:7
What is a proportion
A ratio that describes the Relation between two objects of different dimensions
How do you divide one fraction buy another
Using cross multiplication
What is a right angle, obtuse angle, and acute angle
A right angle is an angle of 90°, and obtuse angle is an angle greater than 90° in an acute angle is the angle of less than 90°
What is a quadrant
It is 1/4 of a circle
What is a polygon
A closed shape that is made up of three or more sides
What is a parallelogram
A four sided object with two parallel sides
What is a hypotenuse of a triangle
It is the long side that is opposite of the 90° angle
What is a mixed number
It is a whole number followed by a fraction 2 1/2
How Kenny decimal number of be changed to a fraction
Multiply the decimal value by the Desired denominator, the results will be the numerator of the fraction
Name three types of triangles
Right, Obtuse and acute
