| Vocabulary | ||
| #1 | What operation does the word quotient indicate? | division |
| #2 | Review: What operation does the word deposit indicate? | addition |
| #3 | What is a coefficient? | A number that is multiplied by a variable. |
| #4 | What are the terms in an algebraic expression? | The parts of the expression that are seperated by an addition or subtraction sign. (an operation symbol) |
| #5 | What is a variable? | A letter or symbol that stands for one or more numbers. |
| Evaluating Expressions | ||
| #1 | 7x-3xy= where x=3 and y=1 | 12 |
| #2 | 3(5x-6)= where x=4 | 42 |
| #3 | 8z-2az/2a= where z=5 and a=2 | 5 |
| #4 | Find area when l=16 and w=5. | 80 square feet |
| #5 | Kendra bought 6 magazines for $3 each and 4 books for $15 each. How much money did she spend in total? | $78 |
| Wild Card | ||
| #1 | (10+8)-(2+6)= | 10 |
| #2 | 2(3a+6)-7g= What are the coefficients in this expression? | 3 and 7 |
| #3 | Evaluate. 2d-17+10= if d=26 | 45 |
| #4 | Your basketball game is today. Free throws are worth one point, layups are worth two points and shots above the arc are worth three points. You shoot and make two of each type of shot; how many points did you score? | 12 |
| #5 | Looking Ahead: If 2x=6, what does x= | 3 |
| Labeling the Parts of an Expression | ||
| #1 | 7a+6p-19= What are the terms of this expression? | 7a, 6p, 19 |
| #2 | 7a+6p-19= What are the coefficients in this expression? | 7 and 6 |
| #3 | 13c+b= What are the terms of this expression? | 13c and b |
| #4 | 13c+b= What are the coefficients of this expression? | 13 and 1 |
| #5 | 5a/2 Write a word expression for this algebraic expression. | Many possible solutions; the product of 5 and a divided by 2 |
| Writing Algebraic Expressions | ||
| #1 | 16 more than e | 16+e or e+16 |
| #2 | 9 times the product of 5 and s | Many possible solutions; 9(5s) |
| #3 | 18 divided by t squared | 18/t^2 |
| #4 | On the last math test, the equations were worth two points each and the word problems were worth 5 points each. Write an algebraic expression to help you calculate your total points where e stands for equations and w stands for word problems. | 2e+5w= |
| #5 | You are going to the movies. The price of the ticket is $6.00 plus each snack you buy at the concession stand. Let s stand for snacks, which are $3.00 each. Write an algebraic expression to find out how much you will spend at the movies in all. | $6.00+$3.00s= or $3.00s+$6.00 |
| Final Question | |
| What is an algebraic expression? | A math problem with at least one variable. |