Number lines, Inserting a number line – Turning Technologies ExamView User Manual
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Number Lines
A number line is a picture of a straight line on which every point is assumed to correspond to a real number and every real
number to a point. Often the integers are shown as specially-marked points evenly spaced on the line.
This section covers the following topics:
Inserting a Number Line
Number lines can be inserted into a question, answer, matching group or narrative.
1
Position the cursor at the location where you want to insert the number line.
2
Click Insert from the menu bar, mouse over Graph and select Number Line.
A number line with default properties is inserted, and the Format Graph – Number Line window opens.
The Functions tab lets you add, edit, and delete items from the number line. These items include points, segments,
rays, lines, box-and-whisker plots, and vectors.
The Axis tab lets you add change attributes of the number line such as the scale (units per tick), ticks per inch, and line
styles.
The View tab lets you add change the size of the number line, and whether it is centered on a certain value or anchored
at the left to a certain value.
3
Click the Functions tab, select the type of item you want to add from the drop-down menu and click New.
4
To edit existing items, select the description of the item and click Edit (or double-click the description).
5
To delete an item, select the description of the item and click Delete.
6
To change the order of the items on the graph, click the item you want to reorder and drag it to the correct position.
7
Click the Axes tab, enter a label to display at the right of the number line or leave the label blank. Click Font to set the
font characteristics of the label. The font characteristics used for the axis label are also used for the tick labels.
NOTE
Variables cannot be used as values for the number line label, units per tick, ticks per inch,
ticks per label, width, height, or baseline. Variables can be used to define most of the
attributes for the items added to the number line.
8
Set the scale (units per tick) for the number line. Units per tick must be greater than zero.
9
Set the ticks per inch. Value must be between 1 and 50.
10
Set the ticks per label. Value must be between 1 and 99.
11
Set the axis width. You can hide the axis altogether, or display the axis with a thin or a thick line.
12
Set the axis color. To change the color of the number line label or the tick mark labels, click Font.
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