Introduction
Introduction
This Webquest inquires you to learn the math and history of integers! You use integers all the time in many different ways! The importance of this is for you to understand what they are. It is fine if you do not have a good grasp on integers because you will learn everything you need to know about them.
Task
Task
What you will be doing is learning new things about integers.
Questions
- In what century were negative integers finally accepted?
- Which cultures were the first to use negative integers and what contributions did they make?
- When was the word integer introduced?
- What does the word integer mean in Latin?
- What is the symbol for integers , where does it come from, and what does it mean?
- How do you add 2 integers if they have the same sign? Make sure you explain how to determine the sum’s sign.
- How do you add 2 integers if they have different signs? Explain how to determine the sum’s sign.
- Explain how you determine a difference when subtracting 2 integers.
- Explain how you multiply and divide integers. A chart is acceptable as part of your answer.
- You are driving at 65 mph with cruise control set. You see a sign stating you are entering a 55 zone so you slow down to 10 mph. After a few miles a new sign informs you that you are entering a 65 mph zone again so you resume your original speed, In a minute you will be in a construction zone where the limit is 45 mph. Write the equation showing the positive and negative numbers to your speed.
- Say I borrow $5 from you and buy lunch since I forgot my wallet. I owe you $5 so my balance sheet would say: -5. Later, I get my wallet and pay you the $5 back so I can subtract my debt. Show what thi would look like in an equation if I then loaned you $10.
Process
Process
First, you need to