Math Spies: February 2012

Saturday, February 25, 2012

Journey to the Isle of Pi #1

Pack your bags, Math Spy! You are headed to the Isle of Pi for your next mission. You will be travelling on three flights and through several time zones to get there.

Your first flight at Sea-Tac leaves at 10:10 am. It takes an hour to get there from your house and I want you to be at the airport an hour and a half ahead of the flight. What time do you need to leave your house?

a. 7:40 am
b. 7:10 am
c. 6:40 am

Journey to the Isle of Pi #2

From Seattle, you will fly to San Francisco where you will take a 2:35 pm connecting flight. If your flight leaves at 10:10 am, how much time do you have to make your next flight?

a. 3 hours 25 minutes
b. 3 hours 55 minutes
c. 4 hours 25 minutes

Journey to the Isle of Pi #3

Your flight to Honolulu leaves on time at 2:35 pm Pacific Standard Time. You travel for five hours and thirty-five minutes. What time do you arrive in Hawaii according to Pacific Standard Time?

a. 7:40 pm
b. 8:10 pm
c. 8:40 pm

Journey to the Isle of Pi #4

Good morning Math Spy! I hope you slept well. Please set your watch to 6:00am Hawaiian time. The last leg of your journey is a seven hour forty minute flight to a small undisclosed island near Guam. If you leave Hawaii at 6:00am, what time will your watch read when you reach the island? (Do not worry about time zone changes. Just the elapsed time from the beginning of the flight to the end.)

a. 1:40 pm
b. 1:50 pm
c. 2:10 pm

Saturday, February 11, 2012

Introduction to Water Works Revisited

Welcome Back Math Spy!

Please continue gathering information about the water situation on the Isle of Pi. A spy never knows what information may become crucial to the outcome of a mission.

If you haven't solved Water Works you will have to go back and do that first and take good notes. Then come back here and complete the mission.

If you don't know how to figure out the percent of something, change the percent to a decimal and multiply that decimal by the total.

For example, if I want to know what 10 % of 50 is, I change 10% to 0.10 and multiply that by 50.

50 X 0.10 = 5. Five is 10 % of 50.

Click here to continue with the mission.