Help Page: Railroads, Team 2

Miles to kilometers: 

1. Look at the chart that compares measurements. Notice that 1 mile is equivalent to 1.61 kilometers.

2. Try multiplying the number of miles by 1.61 kilometers. 

Total number of ties:

1. If the Union Pacific laid 3,250 ties per mile, will the number of ties be LARGER than 1,085 (the number of miles of track) or SMALLER? ​

2. What operation do you need to use to get that size number?

3. Try multiplying the number of miles by 3,250. 

Section of track:

1. Start by converting 27 miles to kilometers (see hint for Question 1). ​

2. You know from Question 2 that for every mile of track laid, they used about 3,250 ties. How did you solve Question 2? What can use use from there that will help you here? 

3. If the Union Pacific placed 4 spikes per tie, how many spikes is that per mile? How many spikes would it be for 27 miles? 

Cases of Spikes:

1. If each case contains 8 spikes, how many ties can they place per case? (See Question 3 for how many spikes used per tie.)​

2. Divide the total number of spikes they needed (from Question 3 part 2) by the number of spikes in each case. That will give you the number of cases you need. 

3. Multiply the number of cases needed that you just solved for by the weight of each case (4 lbs.). 

4. Convert the pounds to kilograms. 

   1. Notice that each pound is equal to .45 kilograms. What can you learn from Question1 that would help you solve this question? ​

      1. Multiply the number of pounds by .45 kilograms. Be sure to label and round your answer!​

Infographic/Poster: The purpose of an infographic is for people to see and understand information quickly.

1. What visual elements can you include that are easy to understand?

2. Use moderate colors, not too bright. Pick 2 or 3 and stick to those.

3. Try drawing your idea out on a piece of paper before actually creating it. This way you can plan enough space for words and pictures.