Mathmatics

Question 1

Describe the results of adding a large positive number and a smaller negative number.

Answer 1

The results is a smaller positive number and is the same as subtracting the smaller number from the larger number.

Question 2

How do you convert a fraction into a decimal?

Answer 2

Divide the numerator by the denominator.

Question 3

What is a angle?

Answer 3

A figure formed by two lines with a common endpoint

Question 4

What is a quadrilateral?

Answer 4

A four sided polygon

Question 5

What is the key step that must performed in order to add or subtract unlike fractions

Answer 5

You must find the least common denominator

Question 6

How do you divide one fraction by another?

Answer 6

You invert the divisor and multiply the numerator together and the denominator together.

Question 7

How can you convert a fraction into a percent.

Answer 7

Convert it to a decimal move decimal point two places to the right and add the percent sign.

Question 8

How can you convert a decimal into a percent

Answer 8

Multiply the decimal by 100 and add the percent sign

Question 9

What is proportion?

Answer 9

Is a comparison between two or more ratios

Question 10

What are two different ways that a ratio may be expressed

Answer 10

1. As a fraction

2. By placing a colon between two numbers

Question 11

How do you change a decimal into the nearest equivalent fraction?

Answer 11

Multiply the decimal by the desired denominator

Question 12

How do you find the square of a number

Answer 12

Multiply the number by itself

Question 13

How is 100,000 expressed as a power of 10?

Answer 13

10 to the 5th power

Question 14

What formula is used to find the area of a circle

Answer 14

Area= Pi X Radius squared

Question 15

What formula is used to find the area of a rectangle?

Answer 15

Area= length X width

Question 16

What formula is used to find the volume or a rectangular solid?

Answer 16

Volume = length X Width X Hight

Question 17

Define Pi

Answer 17

3.14 and is used to find the diameter of a circle

Question 18

Describe a trapezoid

Answer 18

Is a closed four-sided figure having two parallel sides and two sides that are not parallel

Question 19

What formula is used to find the area of a rectangle and triangle?

Answer 19

Rectangle is Area = length X width

Triangle is Area = (base X hight )divided by 2

Question 20

What is meant by percentage

Answer 20

A fraction having 100 as a denominator

Question 21

What is meant by a ratio?

Answer 21

A fraction that compares one number to another

Question 22

What is meant by scientific notation?

Answer 22

A method of writing very large or very small numbers using powers of 10

Question 23

What is meant by the root of a number?

Answer 23

Two or more equal numbers that, when multiplied together will equal the number

Question 24

What is the formula to find the circumference of a circle

Answer 24

Circumference = Pi X Area

Question 25

Give an example of perfect square numbers

Answer 25

4,9,16,64,144

Question 26

How do you express a decimal as a percent

Answer 26

Move the decimal two places to the right

Question 27

Using the powers of 10 how may 1,000,000, be expressed

Answer 27

10 to the 6th power

Question 28

What is the sum of a large negative number and a small positive number

Answer 28

A negative number

Question 29

How is a ratio expressed

Answer 29

Using fractions or Colin symbols