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Collect, organise, Display, Analyze
Students will be able to collect and organise data. Students will be able to represent data with bar and picture graphs. Students will be able to answer simple questions about the graphs.
- Ask students their favorite colour out of red, blue, green, and yellow.
- Draw a tally mark for each colour with that colored marker on the board.
Explicit Instruction/Teacher modeling(20 minutes)
- Explain to students that they will be learning about Bar graphsAnd Picture graphs.
- Ask students if they know what those words mean.
- Display the tally marks. Explain that DataIs information and that the tally marks are the data in this situation.
- Explain that a bar graph organizes data according to heights. For example, the longer the bar, the more students there are that like that colour. Explain that the line that goes up and down and has numbers is the Y axis, and the line that goes sideways and has categories is the X axis.
- Ask your students to look at the bar graph and identify the colour that is most liked in the classroom. Have them do the same with the least liked colour.
- After that, draw a picture graph, explaining that a picture graph shows a picture for the number of things or people described in each category. Give the example of tally marks. Explain that in this situation, there would be 1 picture per student who likes that colour. For example, you would put 3 red pictures if 3 students like red.
- Ask students how many pictures they would add for red, blue, green, and yellow. Draw the pictures for each colour on the board.
Guided practise(30 minutes)
- Instruct students to get into groups of two.
- Pass 4 sheets of construction paper to each group.
- Instruct students to draw and cut out 5 squares, 8 triangles, 3 circles, and 7 rectangles.
- Ask them to draw a bar graph for the different shapes.
- Direct them to draw another bar graph for the different colors.
- Have your students use different colored pencils for bars.
- Remind students to label the x and y axes.
- Instruct students to draw a picture graph for colors and a second picture graph for shapes on the back.
- Set the timer to 20 minutes.
- Ask students informal questions regarding the graphs. For example: How many fewer reds are there compared to blue? How many more triangles are there compared to squares?
- Ask students to put their shapes in sandwich bags and save them.
Independent working time(20 minutes)
- Instruct students to complete the Hiking Buddies Graph worksheet.
- Instruct students to complete the Cold Drinks worksheet.
- Go over the worksheets as a class.
- Enrichment:Instruct students to create a bar graph for the colors of eyes in the class. Remind them to label the x and y axes. This will enable students to see how they can use bar graphs to organise data.
- Support:Instruct students to bring their sandwich bag with shapes, and have them organise by shape on the table. Instead of having them draw a bar graph, have them stack their shapes to look like a graph. Then, instruct your students to draw a picture graph for the colors on their small whiteboards. Guide your students by doing the first colour for them.
- Instruct students to complete the Favorite Picnic Spots worksheet.
Review and closing(15 minutes)
- Instruct students to come sit on the mat.
- Place the trash can 3 feet away from the mat.
- Pass out a sheet of paper to each student.
- Ask each student to crumple his paper up.
- Put two reliable students in charge of recording the number of students who make the shot and those who don't.
- Have each one tally the two different categories on the board.
- After students complete the activity, invite students to come to the board to display the data on a bar graph.
- Explain that bar graphs can also be used to show data for fun activities.