## 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

 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 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)