Understanding Inequalities in Context

The video tutorial introduces sixth-grade students to inequalities, explaining the concept and symbols used. It provides real-world examples involving money and time to illustrate how to write and graph inequalities. The tutorial covers examples with Caleb, Tariq, Vanessa, Li Chen, and Gunas, each demonstrating different inequality scenarios. Students are encouraged to practice with additional examples and are given a problem set to complete.

What is an inequality?

• A mathematical statement with only variables

• A mathematical statement with only numbers

• A mathematical statement with greater than, less than, or equal signs

• A mathematical statement with only an equal sign

If Caleb has at least $5, which inequality represents this?

• C ≤ 5

• C > 5

• C ≥ 5

• C < 5

Tariq has more than $5. Which inequality represents this?

• T ≤ 5

• T < 5

• T > 5

• T ≥ 5

Vanessa has at most $5. Which inequality represents this?

• V ≥ 5

• V ≤ 5

• V < 5

• V > 5

Li Chen has less than $5. Which inequality represents this?

• L ≥ 5

• L < 5

• L > 5

• L ≤ 5

If Kelly's oil change must take 20 minutes or less, which inequality represents this?

• T < 20

• T ≤ 20

• T ≥ 20

• T > 20

Guna needs to work at least 6 hours but fewer than 16 hours. Which inequality represents this?

• G ≤ 6 < 16

• G < 6 ≤ 16

• 6 < G ≤ 16

• 6 ≤ G < 16

Blanton is at most 2 meters above sea level. Which inequality represents this?

• S ≥ 2

• S ≤ 2

• S < 2

• S > 2

Edith must read for a minimum of 20 minutes. Which inequality represents this?

• E ≥ 20

• E > 20

• E ≤ 20

• E < 20

Travis always gets fewer than 9 gallons of milk. Which inequality represents this?

• M ≥ 9

• M > 9

• M ≤ 9

• M < 9