Understanding Integers and Absolute Values

This pre-algebra lesson introduces integers, their opposites, and absolute values. It uses practical examples like a rocket launch countdown, savings account transactions, and temperature changes to explain how opposite integers combine to make zero. The lesson emphasizes understanding integer relationships and applying them to real-world scenarios.

What is the main focus of this pre-algebra lesson?

• Learning about geometry

• Solving quadratic equations

• Relating integers, their opposites, and absolute values

• Understanding fractions

In the context of a rocket launch, what does 'T-minus' signify?

• Temperature change

• Time before launch

• Distance from launch site

• Time after launch

How are T-minus 4 and T-plus 4 related?

• They represent different distances from T

• They are both 4 units away from T

• They are both negative values

• They are unrelated

If Alexis walks down 6 floors to her car, how many floors must she walk to return to the ground floor?

• 3 floors

• 6 floors

• 12 floors

• 0 floors

What does the absolute value of an integer represent?

• Its distance from zero

• Its negative counterpart

• Its position on the number line

• Its value squared

Samuel deposits $160 into his account and then withdraws the same amount. What is the net change in his account balance?

• $320

• $20

• $0

• $160

If the temperature starts at -2°C and reaches 0°C, what is the total temperature change?

• 7 degrees

• 5 degrees

• 3 degrees

• 2 degrees

Shanica spends $4 on snacks and $8 on a movie ticket. What integer represents the change in her wallet?

• -$12

• -$4

• -$8

• $12