Constants , Variables and Algebraic Expressions.pptx

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1. Constants , Variables and Algebraic Expressions

2. 5-minute habit 5 ½ + 8 ¾

3. 5-minute habit 6 +  

4. 5-minute habit + 5  

5. Changing or unchanging/constant Computer models Phillippine Flag God’s Love Days of the Week You weight Price of Gasoline

6. algebra Algebra is written in symbolic language that is designed to express mathematical thoughts, including the process of solving problems.

7. Mathematical language skills Ability to read with comprehension Express mathematical thoughts clearly Reason logically Recognize and employ common patterns of mathematical thought

8. The language of algebra The language of algebra is a composition of the following elements Numerals Symbols or signs Letters or variables

9. numerals 1,2,3,4,5,6,7,8,9,10,11,12,13,14, 15,….

10. Symbols or signs Operational Symbols Symbols of Relationship Grouping Symbols +. -, x, •,( ), /,÷, =, >, <, ≠, ≤,≥ ( ) { } [ ] Operational Symbols Symbols of Relationship Grouping Symbols =, >, <, ≠, ≤,≥ ( ) { } [ ]

11. Letters or variables A variable is a symbol which represents any number from a given replacement set. The most commonly used variables are: x , y, z, a , b , c

12. Algebraic expressions An algebraic expressions is a variable, a constant or a combination of variables and constants related by at least one operation.

13. Algebraic expressions It is one or more algebraic terms connected by a plus or minus sign.

14. Algebraic term 5 A single number Constant term - this is a number or a symbol whose value is fixed.

15. Algebraic term a A single variable

16. Algebraic term 3x 3 is the numerical factor X is the literal coefficient

17. Algebraic term The quotient of m and n.  

18. Algebraic term The square of a number i .  

19. Algebraic term xy 4xy -12xy Similar terms Algebraic terms with the same literal coefficient