Answer NumberLine Questions

WebAssign NumberLine™ questions require you either to draw objects or to place labeled points on a number line.

Note: Adobe® Flash® Player, version 10 or later is required. See Required Browser Plug-Ins.

iPad only: Flash is not required.

Most NumberLine questions require you to draw objects, for example, to graph an interval or inequality. For these questions, NumberLine is displayed with all of the tools active below the number line.

NumberLine tool showing buttons for tools and symbols that can be added to the number line

Some NumberLine questions require you to place labeled points on the number line. For these questions, a set of labeled points is displayed above the number line and the drawing tools below the number line are not active.

NumberLine tool showing buttons for tools and labeled points that can be added to the number line

iPad only: The inactive drawing tools are not displayed for these questions.

Plot your answer on the number line or indicate that no solution exists.
Note:
  • Depending on which type of NumberLine question you are answering, some actions will not be available.
  • Two objects or points cannot be placed at exactly the same position on the number line.
To do thisDo this

Graph a point — a closed circle, an open circle, a parenthesis, or a bracket

  1. Click  select button if it is not already selected.
  2. Drag one of the point symbols — numberline endpoint symbols: closed circle, open circle, parentheses, and brackets — to the correct location on the number line.
    Note: A menu of point symbols is displayed above the point. If needed, you can click a different symbol to be displayed.
iPad only:
  1. Tap the point symbol you want to graph — numberline endpoint symbols: closed circle, open circle, parentheses, and brackets.
  2. Tap the correct location for the point symbol on the number line.

Draw a line, line segment, or ray

  1. If needed, graph one or more endpoints.
  2. Click  draw button.
  3. Click on the number line where you want to draw the line, segment, or ray.

Place a labeled point on the number line

  1. Click  select button if it is not already selected.
  2. From the holding area above the number line, drag the point to the correct location on the number line.

Indicate that no solution exists

Click  no solution button.

Any objects currently on the number line are removed.

Change a point

  1. Click  select button if it is not already selected.
  2. Click the point you want to change.

    A menu of point symbols is displayed above the selected point.

    pop-up menu displaying point symbols: closed circle, open circle, parentheses, and brackets
  3. Click the symbol you want to use.

Move a point

  1. Click  select button if it is not already selected.
  2. Drag the point you want to move to a new location.

Erase an object

  1. Click  erase button.
  2. Click the object you want to remove.

Any lines, segments, or rays touching the object are also erased.

Erase everything from the number line

  1. Click  clear all button.

    A message is displayed to confirm that you want to remove everything from the number line.

  2. Click OK.

Undo the last action

Click  undo button.

View help for the NumberLine tool

Click  help link.