Learning Resources Write And Wipe Bar Graph Chart Ler 9300 Users Manual

LER 9300 to the manual 3166010f-5f5e-470b-8bbb-1e3f69115b61

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LER 9300

The Write & Wipe Bar Graph is a great tool for practicing graphing and data

analysis. Use the five adjustable color bands to easily create “bars” of data

corresponding to units of measure.

To Use:

Write the following on the chart with a

dry-erase marker*:

• A title at the top of the bar graph

• An axis label for the y-axis along the

left-hand side of the graph

• A scale of measurement for the y-axis

data

• Bar labels on the x-axis for each bar

used in the graph

To graph data, gently pull and slide a

color band upward or downward to adjust

its length. Hide unused bars by gently

pulling their bands around until they no

longer show in the front of the chart.

*Marker is not included. Test your dry-erase marker on the back of the board to

ensure that it doesn’t leave a permanent mark. Remove marks with a paper towel

or dry-marker eraser. The chart will warp if saturated with water.

Tips for working with bar graphs:

1. Always read the title first to learn what the bar graph is about.

2. Next, read the bar labels to find out what the bars represent.

3. Look at the axis label to see what the scale

measures and which units it employs to do so.

Does the scale measure an amount, or does it

measure a percentage?

Write & Wipe

Bar Graph Chart

LER 9300

© Learning Resources, Inc.

Title

Bar Labels

Axis Label

Scale

Ages

6+

Grades

1+

Look for these other great products from Learning Resources®:

LER 1639 Write & Wipe Graph Desk Mats

LER 5400 Graphing Flip Chart

4. Decide what the height of each bar means. (Use your finger to trace over from

the top of the bar to the scale if you need help reading a bar’s measurement.)

5. If needed, look at the marks (intervals) between the numbers measured on the

scale. Use the interval marks to help estimate the value of a bar that stops

between two numbers on the scale.

6. Look for patterns in the bars. Which bar is longest? Which is least in length?

What does that mean according to the scale?

Intervention Strategies

•Scaffolded Instruction: Begin with one bar and a scale that measures easily

countable units (such as 1, 2, 5, or 10). Move the bar’s band to show that

quantity increases or decreases based on the bar’s length. After students master

one bar of data, add a second bar of data, and so on. Do not explore all five bars

until students can readily interpret and track at least three bars of data.

•Visual Tracking: When reading graphs, students often lose track of data visually.

Encourage students to touch a graph to help them read it. Have students use

index fingers to lightly trace over from the top of a bar to the corresponding

measurement on the graph’s scale. (Students can also trace with a small ruler or

a pencil on its side.) Remind students to concentrate on one bar at a time,

beginning with the bar closest to the scale, rather than trying to decode all the

bars at once.

Note: The back side of the chart includes a 10" x 10" grid that can be used to

create a line graph or alternative bar graph. Use a dry-erase marker to post data

on the grid.

© Learning Resources, Inc., Vernon Hills, IL (U.S.A.)

Learning Resources Ltd., King’s Lynn, Norfolk (U.K.)

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