Inequalities and the Number Line

When you graph an inequality, you use a filled in dot when you use which symbols?

• ≤, ≥

• <, >

• ≤, <

• ≥, >

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥

• ≤, <

• ≥, >

You are driving, and the maximum speed limit is 55.

• speed < 55

• speed > 55

• speed ≤ 55

• speed ≥ 55

Joey can read at least 80 words per minute. Write an inequality to show this situation.

• words > 80

• words < 80

• words ≥ 80

• words ≤ 80

What is your score on the Weekly Quiz?

• 16-20 Correct Problems - I showed my understanding of inequalities and number lines.

• 11-15 Correct Problems - I should retake this quiz and make sure I check my answers if they make sense.

• 6-10 Correct Problems - I should go back and review notes and activities from this week before I retake this quiz.

• 0-5 Correct Problems - I really need to complete missing activities from this week before I retake this quiz.

You must be no more than 62 inches tall to play on the playground. Which inequality represents the heights of kids allowed to play?

• height ≤ 62

• height > 62

• height < 62

• height ≥ 62

Fill in the blank with the correct sign >, < , or =
-3.4  ________ -2.5

• >

• <

• =

7 > 3

so....

• 7 is to the right of 3 on a horizontal number line

• 3 is to the right of 7 on a horizontal number line

When you're comparing numbers using the number line, the number to the farthest right is the...

• Smallest

• Greatest

Fill in the blank with the correct sign >, < , or =
|1.47|  _______ |-1.47|

• >

• <

• =