Mathematics Flashcards
- What is the formula for the area of a rectangle?
A= Length x Width
- What is the formula for the circumference to the diameter of any circle?
C=Pi x Diameter
- What is the formula for the area of a circle?
A=Pi x Radius squared
- What is the formula for the volume of a cylinder?
V=Pi x radius squared x Height
- What is the formula used for finding the volume of a rectangle?
V= LxWxH
- Give examples of perfect square numbers.
4,9,16,64,100,144
- What is a squared number?
Number that is multiplied by itself
- How do you express a decimal as a percent?
Move the decimal two places to the right and add the percent sign
- Using the powers of ten, how is 1,000,00 expressed?
Ten to the sixth power
- What is scientific notation?
Representing very large or small numbers using power of 10
- How is a ratio expressed?
As a fraction
Or with a colon as a symbol for expressing a ration (1:5)
- What is a proportion?
A ratio that describes the relation between two objects of different dimensions
- How do you divide one fraction by another?
Cross multiply
- What is a right angle, obtuse angle, and acute angle?
Right angle - is 90 degrees
Obtuse angle - is greater than 90 degrees
Acute angle - is less than 90 degrees
- What is a quadrant?
It is one quarter of a circle
- What is a polygon?
Closed shape that is made up of three or more sides
- What is a parallelogram?
A four sided object with two pairs of parallel lines
- What is the hypotenuse of a triangle?
It is the long side that is opposite of the 90 degree angle
- What is a mixed number?
Whole number followed by a fraction (i.e. 2 1/2)
- How can a decimal number be changed to a fraction?
Multiply the decimal value by the desired denominator
- Name some types of triangles.
Isosceles Equilateral Scalene Obtuse Acute Right
- What is an equilateral triangle?
A triangle that has all three sides have the same length