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WERA

WERA . GRAPHICAL DISPLAY OF DATA. KATHY DORNHECKER AND KAREN HALL OSPI MATHEMATICS SPECIALISTS DECEMBER 1, 2004. NEW AT GRADE 3. Pictograph: A graph that uses pictures or symbols to compare data. Each picture may represent one data value. Third Graders’ Favorite Fruits.

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WERA

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  1. WERA GRAPHICAL DISPLAY OF DATA KATHY DORNHECKER AND KAREN HALL OSPI MATHEMATICS SPECIALISTS DECEMBER 1, 2004

  2. NEW AT GRADE 3 • Pictograph: A graph that uses pictures or symbols to compare data. Each picture may represent one data value.

  3. Third Graders’ Favorite Fruits Number of Students Apples Oranges Bananas Kiwis KEY : = 1 student Types of Fruit

  4. Bar Graph: A graph that uses the height or length of solid bars to represent numbers and compare data.

  5. Third Graders’ Favorite Fruits 10 9 8 7 6 5 Number of Students 4 3 2 1 0 Apples Oranges Bananas Kiwis Types of Fruit

  6. NEW at GRADE 4 • Pictograph: A graph that uses pictures or symbols to compare data. Each picture may represent one to many data values.

  7. Fourth Graders’ Favorite Fruits Number of Students Apples Oranges Bananas Kiwis Types of Fruit Key: = 5 Students

  8. Line Plot: A graph that shows the frequency of data on a number line.

  9. HOURS OF TELEVISION WATCHED + + + + + + + + + + + + + + + + + + + + + + + 5 10 15 20 Time (Hours)

  10. NEW at GRADE 5 • Circle Graph: A graph that uses a divided circle to show pictorially how a total amount is divided.

  11. FIFTH GRADERS’ FAVORITE FOOD BRUSSEL SPROUTS ICE CREAM 7 MASHED POTATOES 25 18 7 BAGELS 25 18 PIZZA FRUIT

  12. New at Sixth Grade • Histogram A bar graph that uses two scales, one for equally spaced intervals (replaces categories) and one for frequencies.

  13. LENGTH OF BIG LEAF MAPLE LEAVES 50 Frequency 0 0 10 2 4 8 6 16 12 14 LEAF LENGTH ( cm) 2.0-3.9 0.0-1.9

  14. Line Graph A graph that uses one or more lines to show changes in data when there is a numeric value associated with equally spaced points along a continuous number scale.

  15. TEMPERATURE FOR SAND GULCH, CA 100 80 TEMPERATURE (DEGREES F) 60 40 20 0 0 2 4 16 12 14 10 6 8 TIME SINCE 6:00 AM (hr)

  16. New at Seventh Grade • Stem-and-Leaf Plot: A graph that organizes data from least to greatest using the digits of the greatest place value to group data

  17. AGES OF MY NEIGHBORS STEM LEAF 1 1 4 6 8 2 0 2 3 5 9 3 1 3 3 5 6 7 8 4 0 2 3 4 5 6 7 8 5 1 2 4 6 7 8 6 0 1 2 4 6 7 1 2 2|3 represents 23

  18. Box-and-Whisker Plot: A graph that displays the median, quartiles, and outliers of a set of data. Also called a box-plot.

  19. 0 500 MASS (g) MASS OF GUINEA PIGS

  20. Scatter Plot: A graph consisting of points, one for each item being measured. The two coordinates of a point represent the measures of two attributes of each item.

  21. SEVENTH GRADERS IN MR. HODGMAN’S CLASS 100 MATHEMATICS TEST SCORES (MEAN) 0 0 10 SLEEP PER NIGHT (hr)

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