Mathematics Flashcards

1
Q
  1. What is the formula for the area of a rectangle?
A

A= Length x Width

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2
Q
  1. What is the formula for the circumference to the diameter of any circle?
A

C=Pi x Diameter

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3
Q
  1. What is the formula for the area of a circle?
A

A=Pi x Radius squared

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4
Q
  1. What is the formula for the volume of a cylinder?
A

V=Pi x radius squared x Height

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5
Q
  1. What is the formula used for finding the volume of a rectangle?
A

V= LxWxH

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6
Q
  1. Give examples of perfect square numbers.
A

4,9,16,64,100,144

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7
Q
  1. What is a squared number?
A

Number that is multiplied by itself

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8
Q
  1. How do you express a decimal as a percent?
A

Move the decimal two places to the right and add the percent sign

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9
Q
  1. Using the powers of ten, how is 1,000,00 expressed?
A

Ten to the sixth power

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10
Q
  1. What is scientific notation?
A

Representing very large or small numbers using power of 10

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11
Q
  1. How is a ratio expressed?
A

As a fraction

Or with a colon as a symbol for expressing a ration (1:5)

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12
Q
  1. What is a proportion?
A

A ratio that describes the relation between two objects of different dimensions

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13
Q
  1. How do you divide one fraction by another?
A

Cross multiply

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14
Q
  1. What is a right angle, obtuse angle, and acute angle?
A

Right angle - is 90 degrees
Obtuse angle - is greater than 90 degrees
Acute angle - is less than 90 degrees

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15
Q
  1. What is a quadrant?
A

It is one quarter of a circle

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16
Q
  1. What is a polygon?
A

Closed shape that is made up of three or more sides

17
Q
  1. What is a parallelogram?
A

A four sided object with two pairs of parallel lines

18
Q
  1. What is the hypotenuse of a triangle?
A

It is the long side that is opposite of the 90 degree angle

19
Q
  1. What is a mixed number?
A

Whole number followed by a fraction (i.e. 2 1/2)

20
Q
  1. How can a decimal number be changed to a fraction?
A

Multiply the decimal value by the desired denominator

21
Q
  1. Name some types of triangles.
A
Isosceles
Equilateral
Scalene
Obtuse
Acute
Right
22
Q
  1. What is an equilateral triangle?
A

A triangle that has all three sides have the same length