Absolute Value and Percentages

This video tutorial covers the concept of absolute value, focusing on its definition as the distance from zero on a number line. It includes practical examples such as elevation and temperature to illustrate how absolute value is used in real-world contexts. The lesson also provides exercises to compare numbers based on their absolute values and concludes with a summary and homework instructions.

Which of the following fractions is closest to zero?

• 1/5

• 15/11

• 1/9

• 9/11

If a flea starts at 1 on a number line and jumps 4 units to the right, where does it land?

• 4

• 3

• 2

• 5

What is the absolute value of -6 in terms of elevation?

• 6 feet below sea level

• 6 feet above sea level

• 6 feet from sea level

• 0 feet from sea level

Which temperature is closer to the freezing point: -6°C or 3°C?

• Neither is close

• -6°C

• 3°C

• Both are equally close

What is the absolute value of zero?

• Negative

• Undefined

• One

• Zero

If a number has an absolute value of 3/2, which of the following could be the number?

• -3/2

• 3/2

• -1

• 1

What percentage of her income does Alena donate if she earns $15 and donates $1.80?

• 18%

• 15%

• 12%

• 10%

If Lyn's family has traveled 26 miles out of a 325-mile trip, what percentage of the trip have they completed?

• 8%

• 15%

• 10%

• 12%

Which of the following numbers has the smallest absolute value?

• 0

• 1.3

• -2.7

• -1

If a city is 10 feet different from sea level, what are the possible elevations?

• 10 feet above

• 10 feet below

• Both above and below

• Neither