Exploring Rational Expressions: Addition and Subtraction

This video tutorial covers the basics of number lines, focusing on understanding negative and positive numbers. It explains how to divide number lines into parts and provides examples of fractions and decimals. The tutorial also explores the use of number lines in coordinate grids and includes advanced exercises to reinforce learning.

What is the value of a number when it moves further down into negative?

• It increases

• It decreases

• It remains the same

• It becomes zero

How many parts are there between numbers 12 and 13 on the number line?

• Four parts

• Six parts

• Five parts

• Three parts

What is the decimal equivalent of two tenths?

• 0.3

• 0.4

• 0.2

• 0.1

What fraction represents the point located on the second part between 0 and 1?

• 1/3

• 2/3

• 1/2

• 3/4

If a point is on the second part between 0 and 1, what fraction does it represent?

• 3/4

• 1/3

• 2/3

• 1/2

What is the fraction for a point between 4 and 5, located on the first of four parts?

• 1/6

• 1/3

• 1/4

• 1/5

How many parts are there between numbers 4 and 5 on the number line?

• Three parts

• Six parts

• Four parts

• Five parts

What decimal is equivalent to 4 and 1/4?

• 4.15

• 4.45

• 4.25

• 4.35

What is the coordinate of 'Y' if it is located at four and four-fifths?

• (4, 0.8)

• (4, 0.85)

• (4, 0.9)

• (4, 0.95)

What is the ordered pair for 'Z' if it is located at three and four-fifths?

• (3, 0.75)

• (3, 0.8)

• (3, 0.9)

• (3, 0.85)