Grintegers
Storyboard Text
- Ready for take-off in 3...2...1...
- We have liftoff! Ascending 1,000 meters per minute.
- 1) Oh no! Our altimeter has malfunctioned! We can't tell how high we are off the ground! We will have to calculate it manually!
- 2) We are dropping 2,700 meters per minute due to an engine malfunction! I have gained back control, we have stopped descending. How can we tell how high we are off the ground?
- 4) Wow! I never knew that, I always use an evil calculator. So then 15,000 + (-9,000) is...wait, how do you add integers with different signs?
- 2) Ok, that means we were at 15,000 meters before the malfunctions.
- 1) We can use the laws of integers! If we ascended 1,000 meters per minute for 15 minutes, we can multiply! Two positives make a positive when multiplying or dividing integers.
- 3) Then we started descending at 6,000 meters per minute for 1.5 minutes. (-6,000) x 1.5 is (-9,000) because when multiplying or dividing a negative and a positive it is always a negative!
- 3) Great work! Now we know that we need to ascend 14,000 meters to get to cruise altitude at 20,000 meters. Now we will be at our destination in no time!
- 1) To add integers with different signs, take the number with the greater absolute value, then subtract!
- 2) I'm learning so much! The final step to figure out the altitude of the plane is 15,000 + (-9,000). The answer is 6,000 meters!
- 1) That was a crazy flight! I am glad we made it back safe.
- 3) I am glad I could help! Yes, never use evil calculators, your brain is better!
- 2) Good thing you saved the day with your math skills! Thanks you so much, I will make sure to never use a calculator again!
- 4) Until next time, I hope to see you on one of my flights again!
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