Understanding Inequalities on a Number Line

The video tutorial introduces inequalities on a number line, focusing on greater than and less than symbols. It explains how to remember these symbols and provides rules for plotting numbers on a number line. The tutorial demonstrates comparing integers, including both positive and negative numbers, using a number line to determine which is greater or smaller. The video emphasizes that the smallest number is always on the left and uses examples to illustrate these concepts.

What does the less than symbol resemble?

• A V

• An L

• An X

• A T

Which of the following is an integer?

• 3.5

• -2

• 1/2

• 0.75

On a number line, where is the smallest number located?

• Above the line

• Center

• Rightmost

• Leftmost

What symbol is used when the larger number is on the left?

• Less than

• Greater than

• Equal to

• Not equal to

What is the rule for writing inequalities?

• The larger number points to the smaller

• The smaller number points to the larger

• The smaller number points to the smaller

• The larger number points to the larger

If -6 is compared to 2 on a number line, which is smaller?

• 2

• -6

• They are equal

• Cannot be determined

Which of the following is true about negative numbers compared to positive numbers?

• They are equal

• Negatives are always smaller

• Negatives are always larger

• Cannot be compared

Which number is smaller: -5 or -4?

• -5

• -4

• They are equal

• Cannot be determined

What is a productive way to compare positive and negative numbers?

• Guessing

• Using a ruler

• Using a number line

• Using a calculator

What is the leftmost number when comparing -5 and -4?

• 5

• -4

• 0

• -5