Introduction
Task
You will have groups of 3-4
1-How do you add 2 integers with the same sign?
2-How do you add 2 integers with different signs?
3-How do you subtract integers?
4-How do you multiply and divide integers?
5-In what century were negative integers accepted?
6-Which cultures were the first to use negative integers and what contributions did they make?
7-When was the word integer introduced?
8-What does the word integer mean in Latin?
9-What is the symbol for integers,where does it come from,and what does it mean?
You will be able to play games on these websites:
http://www.mathplayground.com/ASB_OrbitIntegers.html
http://www.mathgoodies.com/games/integer_game/football.html
http://www.mathnook.com/math/skill/integergames.php
Practice on
http://amby.com/educate/math/integer.html
Integers in real life
temperatures below 0
when you owe money and do not have enough to cover it
below sea level
Process
- Examples and visual guides
Evaluation
This should be presented either online or something visual
The standards are...
- adding integers with the same symbols
- adding integers with different symbols
- multiplying integers
- dividing integers
- explanation on how you add, subtract, multiply, and divide
- make a story problem with all 4 of these different ways
- 3 pictures that help you understand Integers
Conclusion
Discuss what you did with your groups
Discuss what you did good on and what you could use some more work on and see if anyone in your groups can help you with anything you don't understand.
HAVE FUN
Credits
Intersting Facs:
- Negative Integers were not accepted till the 19th century
- China was the first documented case in 200 BC.
- The first known use of the word integer was in reference to whole numbers in 1571 by Thomas Digges.
- Latin integer whole, complete, figuratively,untainted, upright,literally untouched ,not.
- Z is used to indicate integers because it comes from the German word "Zahl," which means "number
Hope you liked it
and remember if you ever make a web quest be creative