1. Communicating With Diagrams 1-1

2. You see these signs along the road. What do they mean? No right turns Hill No Entry Railroad crossing Yield Pedestrians Slippery when wet

3. You see these signs in an airport. What do you think they mean? Boarding Area Restrooms Baggage Area Arriving Food/Restaurant Emergency phone/Security

4. a. What are two things you can learn from the table? Graph? b. Invent a question that is more easily answered from the table than the graph? Explain how to find the answer. c. Invent a question that is more easily answered from the graph than the table? Explain how to find the answer

5. 1.What ideas do you think the person who made this concept map has learned? 2. List some ideas you might put I a concept map about road signs?

6. Homework Pg 6 (9-16,17-22, 31-34)

7. BELLWORK What are some symbols without words that are understood internationally? Sketch two examples.

8. VARIABLE EXPRESSIONS A variable: is a letter used to represent one or more numbers. In the table, d represents the number of days the kudzu grows Variable expression: 12d represents the length of the kudzu vine after d days

9. SAMPLE 1 Peter earns $12 an hour. Write a variable expression for the amount he hears in h hours. Talk it over How are the variable expressions for the length of kudzu and the amount of money Peter earns alike How are they different? Describe a situation that could be represented by the expression 4x. Be sure to tell what x represents.

10. SAMPLE 2 A row of triangles is built with toothpicks. Write a variable expression for the perimeter of Shape n. 1 1 1 1 1 1 1 1 1 1 1 1 Shape 1 Shape 2 Shape 3

11. + Bellwork What does the 2 represent in the number below? What does the 5 represent? What is another way to represent the same number? 2 5 Understanding Exponents Base Exponent = 32 “ two to the fifth power” 2 x 2 x 2 x 2 x 2 = Factors

12. + Flour Power Pg 19

13. + Sample 1 Write the product as a power. Then write how to say it. A. 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 B. 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2

14. + Sample 2 Write an expression for the area covered by the tiles. Evaluate your expression for each value of x. a. x = 5 b. x = 10

15. + Homework Pg 23 (4, 5, 12, 15, 21, 24, 25) Geometry Skills Test- Today at lunch ONLY