1. Algebra II September 2, 2011

2. Drill (solve for each variable)1) 2) 3)

3. Types of Numbers (DRILL ON BOARD)
Real Numbers
Rational Numbers
Irrational Numbers
Integers
Whole Numbers
Natural Numbers

4. Real Numbers (R)
All numbers used in everyday life, the set of all rational and irrational numbers.
Ex: ½ , -3, 4.667,

5. Rational Numbers (Q)
Any number , where m and n are integers and n is a non-zero. The decimal form is either a terminating or repeating decimal.
Ex: ½ , 2.555,

6. Irrational Numbers (I)
Any number which can not be written as a fraction. The decimal form neither repeats or terminates.
Ex: …

7. Integers (Z)
All non-decimal or fractional numbers including all positive numbers, negative numbers and zero.
Ex: {...-2, -1, 0, 1, 2, 3, …}

8. All Integers except for all the negative numbers.
Whole Numbers (W)
All Integers except for all the negative numbers.
Ex: {0, 1, 2, 3, 4, 5, ….}

9. All Integers except negative numbers and zero. Ex: {1, 2, 3, 4, 5, ….}
Natural Numbers (N)
All Integers except negative numbers and zero.
Ex: {1, 2, 3, 4, 5, ….}

10. Number Chart
Real Numbers (R)
(Q)
(Z)
(w)
(N)
(I)

11. Examples -4
….. 8

12. Algebra Word Problems Sum: to add the numbers together.
Difference: the subtract the two numbers
Product: to multiply the numbers
Quotient: to divide the numbers

13. Addition (Key Words)
More Than
In addition to
As well as

14. Subtraction (Key Words)
Less Than
Take away
Minus

15. Multiplication (Key Words)
Times a number
Division (Key Words)
Divided by
Split Equally

16. 7 more then a number equals 15.
Examples
Write an equation for each word problem.
7 more then a number equals 15.
8 more then the product of 5 and a number is equal to 38.

17. The quotient of a number and 7 is equal to 6.
Examples
The quotient of a number and 7 is equal to 6.
The product of 4 and a number is 12 less then 40.