Mathematical Concepts and Problem Solving

This video tutorial covers the concept of absolute value, including plotting numbers on a number line and understanding temperatures in terms of their absolute values. It also explores ordering numbers by their absolute values, calculating donation percentages from earnings, comparing exponential values, and determining travel distances as percentages of a total journey.

What is the absolute value of -1.5?

• 3

• 1.5

• 0

• -1.5

Which temperature is exactly 6 degrees away from zero?

• -12°C

• 0°C

• 6°C

• 12°C

Arrange the following in order from least to greatest: |−2.7|, 0, 1.3, |−1|.

• |−1|, 0, 1.3, |−2.7|

• 0, |−1|, 1.3, |−2.7|

• 1.3, 0, |−1|, |−2.7|

• |−2.7|, |−1|, 0, 1.3

If Elena donates $3.60 from $30 earned, what percentage of her income does she donate?

• 20%

• 15%

• 12%

• 10%

In the equation d = 0.12m, what does 'd' represent?

• Amount donated

• Percentage of donation

• Total income

• Total money earned

How many times larger is 3^4 compared to 3^3?

• 4 times

• 3 times

• 9 times

• 12 times

What is the percentage of the trip completed after traveling 26 miles out of 325 miles?

• 12%

• 10%

• 8%

• 6%

If 7^10 is compared to 7^8, how many times larger is it?

• 49 times

• 14 times

• 7 times

• 56 times

What percentage of the trip is completed after traveling 377 miles, if the total trip is 325 miles?

• 116%

• 120%

• 100%

• 110%

How far have they traveled when they have completed 72% of a 325-mile trip?

• 200 miles

• 234 miles

• 250 miles

• 275 miles