1. Formulating expressions, equations, & Inequalities
Pre-Algebra
Mrs. Yow

2. DeSoto Central Middle School!!!!
DCMS stands for??
DeSoto Central Middle School!!!!

3. BFF stands for???

4. What about?

5. LOL???

6. GTG?

7. TTYL??

8. What about??

9. A letter that stands for….. A NUMBER!
What is a VARIABLE???
A letter that stands for…..
A NUMBER!

10. NEW VOCABULARY! VARIABLE – a letter that stands for a number
ALGEBRAIC EXPRESSION – a mathematical expression that contains one or more variables
EX: x+5
NUMERICAL EXPRESSION – a mathematical expression that contains ONLY numbers
EX: 3+5

11. ADDING WORDS (+)
PLUS
SUM
MORE THAN
INCREASED BY
TOTAL
IN ALL

12. SUBTRACTING WORDS (-) MINUS DIFFERENCE LESS THAN SUBTRACT DECREASED BY
FEWER THAN

13. MULTIPLICATION WORDS (x)
TIMES
PRODUCT
MULTIPLIED

14. DIVIDING WORDS
DIVIDED
QUOTIENT
SEPARATED

15. Translate into algebraic expressions…..
Verbal Expressions
Algebraic Expressions
The sum of a number, x, and 10
The difference of 6 and 6
3 times d
The quotient of 3 & y
x+10
6-r 3d
3 y or

16. MORE THAN FEWER THAN LESS THAN FLIP THE PROBLEM!!! 5 more than x x+5
7 less than d d-7
500 fewer than y y-500
FLIP THE PROBLEM!!!

17. Write an algebraic EQUATION (=)
You buy 6 bottles of sports drink. You also buy a box of snacks that costs $ The bill is $ Which equation would determine how much each bottle of sports drink costs?
6d=
6d=4.59
6d+4.59=13.53
6d=13.53

18. Write an algebraic EQUATION (=)
Which equation represents the following situation? Sam has 20 DVDs in his collection, which is 5 times as many DVDs as Richard has. How many DVDs, “d”, does Richard have?
5d=20
20-d=5
d/5=20
5+d=20

19. Write an algebraic EQUATION (=)
Which equation represents the following problem? Dean ate 11 cookies after dinner, which was 3 more than twice as many cookies as Sara ate. How many cookies, c, did Sara eat?
2c+11=3
2c-3=11
2c-11=3
2c+3=11