1. Chapter 2 MEASURING, PERIMATER, AREA, GRAPHS By: Rain E. Burton and Alexia A. Bayer-Snyder

2. Review of Chapter 0 Review Words- Perimeter Area Data Bar Graph Line Graph 0 Prerequisite Skills 1. The area of a figure is measured in square units. 2. In a line graph, your connect the data points with line segment. 3. Need to find the perimeter of a triangle with given side lengths. 4. Need to be able to estimate on a bar graph. 5. Need to evaluate the expression when x and y mean certain numbers.

3. 2.1 Measuring Lengths

4. Vocabulary 0 Inch 0 Foot 0 Yard 0 Mile 0 Millimeter 0 Centimeter 0 Meter 0 Kilometer

5. Review of Content 0 Using a ruler you can measure the length of a segment. If a segment is 4 1/5 centimeters long it would be 42 millimeters long. Twelve inches are in one foot. Three feet are in one yard. Thirty-six inches in one yard. 1760 yards are in one mile. 5280 feet are in one mile. 10 millimeters are in one centimeter. 100 centimeters are in one meter. 1000millimeter are in one meter. 1000 meters are in one kilometer.

6. Model Problem 0 Switch 113 3/10 centimeters to millimeters. A. 1130 mm B. 1133 mm C. 1140 mm

7. 2.2 Perimeter and Area

8. Vocabulary 0 Perimeter 0 Area

9. Review of Content 0 To find the perimeter of a shape add each edge. 0 To find the area of a square or rectangle multiply the width and height.

10. Model Problem 0 Find the area and perimeter of the rectangle. 4 in 5 in

11. 2.3 Scale Drawings

12. Lesson 2.3 vocabulary Review of Content 0 Scale Drawing 0 Scale 0 A scale drawing is the same shape as the original object but not the same size. The scale tells how the drawing’s dimensions and the actual dimensions are related.

13. Model Problem 0 1in : 2 feet 9 in : ft A. 20 feet B. 22feet C. 18 feet

14. 2.4 Frequency Tables and Line Plots

15. Lesson 0 Vocabulary- 0 Data 0 Frequency Table 0 Line Plot 0 You can organize data, or information by using a frequency table. A frequency table lists the number of times each item occurs in a data set. A line plot uses X marks above a number line to show the frequencies.

16. Model Problem 0 Student Choices for Art Project Painting Sculpture Drawing Painting Sculpture Painting Drawing Sculpture Painting How many painting, drawing, and sculpture are there. Painting- Drawing- Sculpture-

17. 2.5 Bar Graphs

18. Vocabulary 0 Bar Graph 0 Double Bar Graph

19. Review of Content 0 A bar graph uses the lengths of the bars to represent and compare data. A numerical scale is used to find the lengths of the bars.

20. Model Problem 0 How many students parents have a ford in 2012?

21. 2.6 Coordinates and Line Graphs

22. Vocabulary 0 Axes 0 Coordinates 0 Ordered Pair 0 Origin 0 Line Graph

23. Review of Content A graph shows a point on a coordinate grid. Each point is described by an ordered pair of numbers. The numbers are the coordinates of the point. The grid is formed by two number lines, one vertical and one horizontal, called axes. The axes intersect at the origin. A line graph represents data using points connected by line segments. Line graphs are often used to show change over time. You can make a break at the begging of the scale to focus on the interval where the data fall.

24. Model Problem 0 What percent of students like ice cream in 2012? A. 80% B. 75% C. 79% D. 81%

25. 2.6 Circle Graph

26. Lesson 2.6 0 A circle graph is a graph that represents data as parts of a circle. The entire circle represents all of the data. You can make conclusions about the data in a circle graph based on the size of each section.

27. Model Problem and Vocabulary 0 Vocabulary- Circle Graph 0 Model Problem- How many degrees are first quarter?

28. 2.8 Mean Median Mode (MMM)

29. Lesson 2.8 0 Vocabulary- Mean Median Mode Range 0 Mean- The mean of a data set is the sum of the values divided by the number values. 0 Median- The median of the data set is the middle value when the values are written in numerical order. 0 Mode- The mode of the data set is the value that occurs most often. 0 Range- The range of a data set is the difference between the greatest value and the least value.

30. Model Problem 0 The mean for the letters below. 23, 24, 53, 60, 75 A. 46 B. 47 C. 50 D. 62

31. The End MATH IS AWESOME