Comparing and Ordering Rational Numbers

This video tutorial by Mr. Math Blog covers comparing and ordering rational numbers, focusing on equivalent fractions and decimals. It explains how to convert between fractions and decimals, and how to use a number line to order them. The tutorial also includes a section on comparing positive and negative rational numbers, providing practical examples and exercises to enhance understanding.

Where can all the lessons be found as mentioned in the video?

• mr.mathlog.com

• mathworld.com

• learnmaths.com

• mathlessons.com

What decimal is directly equivalent to 1/4 as shown on the number line?

• 0.15

• 0.25

• 0.35

• 0.45

What fraction is equivalent to 0.2 according to the number line?

• 3/10

• 1/10

• 1/5

• 2/5

How is 1 and 7/10 represented as a decimal?

• 1.8

• 1.7

• 1.6

• 1.5

What is the decimal equivalent of three-fourths?

• 0.65

• 0.75

• 0.85

• 0.95

Which fraction is represented by the decimal 0.45?

• 45/100

• 4/10

• 9/20

• 5/11

How do you convert a fraction to a decimal?

• Subtract the numerator from the denominator

• Multiply the numerator by the denominator

• Add the numerator to the denominator

• Divide the numerator by the denominator

What is the decimal for 1/2 as used in the triathlon example?

• 0.5

• 0.4

• 0.3

• 0.2

Which of the following is not a correct representation of a fraction as a decimal?

• 1/4 is 0.25

• 1/2 is 0.5

• 3/4 is 0.75

• 2/3 is 0.65

What does a negative number represent in the context of the triathlon times?

• Disqualified participant

• Below average time

• Time penalty

• Above average time