Slide 1 / 126 Slide 2 / 126 3rd Grade Graphs 2015-11-03 www.njctl.org Slide 3 / 126 Slide 4 / 126 Graphs Unit Topics Click on the topic to go to that section Data & Graphs · Tally and Frequency Tables · Creating a Tally and Frequency Table · Pictographs · Data and Graphs Creating a Pictograph · Bar Graphs · Creating a Bar Graph · Line Plots · Creating a Line Plot · Click to return to the table of contents Slide 5 / 126 Slide 6 / 126 Types of Graphs/Charts Data Bar Graph Pictograph Pie Chart The collection of information. Usually gathered by observation, questioning or measurement. Tally and Often organized in graphs or charts. Frequency Tables Line Plot Line Graph
Slide 7 / 126 Slide 8 / 126 Data Graphs, charts, and tables present information in an organized way. They are very useful tools. Tally and Frequency What information do you see organized in graphs, tables, or Tables charts in everyday life? Click to return to the table of contents Slide 9 / 126 Slide 10 / 126 Tallies Frequency and Tallies A tally mark is written as a line or group of lines, like this: Each line represents a unit of one. = 1 Frequency: how often a piece of data appears = 2 = 3 Tally: a way to keep count using lines = 4 Notice, that for the amount of five, the last line is = 5 drawn across the other four lines. = 6 = 7 How would you write 8? 9? How about 10? Slide 11 / 126 Slide 12 / 126 Tallies Tallies Let's practice writing some numbers in tally marks: You can show the amount of objects or data that you have by 3: writing tally marks. 7: 9: For example, if you wanted to show 10, you would write: 11: 15: If you wanted to show 13, you would write: 23: 30: How would you write 14 in tally marks? What about 24?
Slide 13 / 126 Slide 14 / 126 2 What number is this: ? 1 What number is this: ? Slide 15 / 126 Slide 16 / 126 3 What number is this: ? 4 What number is this ? Slide 17 / 126 Slide 18 / 126 5 How would you write 12 in tally marks? 6 What is 32 in tally marks? A A B B C C D D
Slide 19 / 126 Slide 20 / 126 7 What is 7 in tally marks? Tally and Frequency Tables A B Here is an example of a tally and a frequency table: C D Slide 21 / 126 Slide 22 / 126 Tally and Frequency Tables Tally and Frequency Tables Here is an example of a tally and a frequency table: Here is an example of a tally and a frequency table: Slide 23 / 126 Slide 24 / 126 9 The students of 3B have more dogs than cats. 8 Does the table below show information about the pets of Class 3B? True True False False Pets of Class 3B Pets of Class 3B
Slide 25 / 126 Slide 26 / 126 10 How many dogs do the students of 3B have? 11 How many hamsters do the students of 3B have? Pets of Class 3B Pets of Class 3B Slide 27 / 126 Slide 28 / 126 12 How many cats and dogs do the students of 3B have 13 How many more cats than dogs do the students of 3B altogether? have? Pets of Class 3B Pets of Class 3B Slide 29 / 126 Slide 30 / 126 Tally and Frequency Tables Tally and Frequency Tables Sometimes, you will see only a frequency table, or only a tally table. They look like this: Class 3B welcomes a new student. The new student has 4 cats. How will the table change? Grades Received on Grades Received on Friday's Spelling Test Friday's Spelling Test Pets of Class 3B Grade Frequency A 6 B 8 C 4 Tally Table Frequency Table
Slide 31 / 126 Slide 32 / 126 14 Does this table have a title? Tally and Frequency Tables Both tables represent the same information. Yes No Grades Received on Grades Received on Grades Received on Friday's Spelling Test Friday's Spelling Test Friday's Spelling Test Grade Frequency A 6 B 8 C 4 Slide 33 / 126 Slide 34 / 126 16 How many students received A's and B's? 15 How many students received C's? Grades Received on Grades Received on Friday's Spelling Test Friday's Spelling Test Slide 35 / 126 Slide 36 / 126 17 How many more B's than A's were there? Tally and Frequency Table Class ______________'s Favorite Colors Teacher Notes Grades Received on Color Tally Frequency Friday's Spelling Test Blue Red Pink Yellow Green
Slide 37 / 126 Slide 38 / 126 Creating Tally and Frequency Tables Let's gather some data and organize it in a tally and frequency table. Creating a Tally and Class 3B and 3D have snack time together. A messenger is sent Frequency Table out to gather the milk from the cafeteria. The messenger has this list: 23 chocolate milks 10 skim milks 13 strawberry milks 14 regular milks Click to return to the table of contents Slide 39 / 126 Slide 40 / 126 How to Make A Tally and Frequency Table Creating Tally and Frequency Tables First, draw your table. This is the information we need to make a table: Then, write the title. 23 chocolate milks title Milk for Class 3B and 3D 10 skim milks 13 strawberry milks 14 regular milks Slide 41 / 126 Slide 42 / 126 How to Make A Tally and Frequency Table How to Make A Tally and Frequency Table 3rd Step - Write the heading for the rows. 4th Step - Fill in the table Milk for Class 3B and 3D Milk for Class 3B and 3D Type of Milk Tally Frequency Skim Strawberry Regular Chocolate
Slide 43 / 126 Slide 44 / 126 18 Chocolate is the most popular flavored milk. Tally and Frequency Tables True False Milk for Class 3B and 3D Now that we've organized our data into a table, the information is easier to read. We can answer many questions by using the information found in the table. Slide 45 / 126 Slide 46 / 126 19 How many more regular milks than skim milks did 20 If class 3B ordered 7 strawberry milks, how many did class 3D order? class 3B and 3D order? Milk for Class 3B and 3D Milk for Class 3B and 3D Slide 47 / 126 Slide 48 / 126 Gathering Data 21 How many milks were ordered altogether? Let's gather some new data and organize it in a table. Milk for Class 3B and 3D Sam was given a bag of jelly beans. He pulled out several jelly beans at a time to fill some goody bags. First handful: 2 pink and 3 blue jelly beans Second handful: 4 yellow and 1 pink jelly beans Third handful: 7 blue and 10 yellow jelly beans Fourth handful: 9 pink and 11 blue jelly beans
Slide 49 / 126 Slide 50 / 126 Make Your Own Tally and Frequency Table Make Your Own Tally and Frequency Table Make your table. Fill in the information. You need to add in order to find the total number Give it a title and label the rows and columns. of jelly beans of each color Sam pulled out of the bag. Jellybeans from Bag Jellybeans from Bag Color Tally Frequency Pink Blue Yellow Slide 51 / 126 Slide 52 / 126 Make Your Own Tally and Frequency Table 22 How many more pink jelly beans does Sam need to match the number of blue jelly beans? Let's answer some questions using the table we just made. Jellybeans from Bag Jellybeans from Bag Slide 53 / 126 Slide 54 / 126 24 If Sam is making 3 goody bags for his friends, and puts 23 How many more yellow jelly beans does Sam need to an equal number of blue jelly beans in each bag, how match the number of blue jelly beans? many does he put in each bag? Jellybeans from Bag Jellybeans from Bag
Slide 55 / 126 Slide 56 / 126 25 If Sam pulled out 12 more pink jelly beans, and he put Make A Tally and Frequency Table an equal number of pink jelly beans into 3 goody bags, how many will go into each bag? Teacher Notes What's your class's favorite meal of the day? Jellybeans from Bag ___________'s Favorite Meal Slide 57 / 126 Slide 58 / 126 Tally and Frequency Table Questions Make Your Own Tally and Frequency Table After you have made your table, answer some questions. Your table should look like this: ________ Class's Favorite Meal Which meal is most popular in your class? Meal Tally Frequency Breakfast How many more votes does the most popular meal have than the least popular? Lunch Dinner Are any meals equally liked? Slide 59 / 126 Slide 60 / 126 Pictograph Review A pictograph uses pictures to represent quantity. Key Title Key = 1 vote Favorite Ice Cream Flavor Pictographs Number of Votes Flavor Vanilla Chocolate Strawberry Click to return to the table of contents
Slide 61 / 126 Slide 62 / 126 Pictograph Questions Pictographs Key How many students liked vanilla best? Use the picture of the ice cream cone = 1 to show how many votes for each flavor. vote How many students liked chocolate? Number of Votes Flavor Vanilla How many students do not like Chocolate strawberry? Strawberry How many more students like the most popular flavor than the least favorite? Tap each box for a question Slide 63 / 126 Slide 64 / 126 26 Who has the most video games? Pictographs A Arianna Video Games Owned by Students Issac B Name Number of Video Games Hunter C Video Games Owned by Students Arianna Name Number of Video Games Issac Arianna Hunter Issac Hunter Key = 3 Video Key Games = 3 Video Let's use this pictograph Games to answer some questions. Slide 65 / 126 Slide 66 / 126 28 Who has 6 less video games than Arianna? 27 How many video games does Issac have? 2 Issac A A 3 Hunter B B C neither C 6 Video Games Owned by Students of them D 7 Video Games Owned by Students Name Number of Video Games Number of Video Games Name Arianna Arianna Issac Issac Hunter Hunter Key = 3 Video Key Games = 3 Video Games
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