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Algebra



Contents
 
  • Day5, Warm Up Exercises
  • The Sum of Three Signed Numbers
  • Quiz
  • Students' Problems
  • Write in Symbols
  • Home Work


Day5, Warm Up Exercises
Simplify.
2.)   - 4 + 0
17.)   7 - 4 + 17
Answers


Addition Practice
The Sum of Three Numbers
 
1st: Either:
Type the arguments, using "-8" as "- 8," or
Press use either or both Addend buttons.
2nd: Mentally compute the sum.
3rd: Press Sum to see the correct sum.
 
+ + =
  +       +     =  


Quiz


Student Generated Problems
Simplify.
 
Ryan.)
7 + 2(200 - 8 · 2 - 4) - 3 + 3
 
Tanika.)
5 + 2(7 + 3)÷ 4


Write in Symbols
Write in symbols the same thing as these words.
1. a number
2. one more than a number
3. 60 more than a number
4. twenty less than a number
5. the sum of a number and 4
Write it in 4 different ways.
6. the product of a number and two
answers


Homework
For practice on signed number computation:
 
1st: Go to Prof's schedule
www.mathnstuff.com/math/math.htm
 
2nd: Then, the Lessons Page, linked in the center
Classes OR,
just use the link at the bottom of this page
 
3rd: Then,
  • 130 - Integer (Signed Number) Representation & Computation
For a clean copy of the homework below, go to:
www.mathnstuff.com/math/algebra/qb/exp3to5.htm


Name ______________________

http://www.mathnstuff.com/math/algebra/qb/exp3to5.htm © 2001

exp3to5.
1st: Write your birth year.
2nd: Write the four digits of your birth year
[ex. 1949 becomes 1, 4, 9, and 9].
3rd: Using the digits of your birth year as 4 numbers,
and using any operation you wish
[+, -,, X, , , 1/x, x (where x and n are two of the four numbers)] and as many parenthesis as you wish, write
an expressions equal to each whole number from 0 to 10.
Ex: 0 = (9 - 9)(4 - 1)

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