 Teacher Review (Not based on classroom experience)Reviewer: EQ, Jun 9 2008 11:43PM |
Review based on: personal experience |
Appropriate for: introduction to a concept, practice of skills and understandings, applications of a concept or technique |
Other Comments: Great tool for teacher to use to introduce the topic of adding and subtracting using a number line, negative numbers and fractions. |
What math does one need to know to use the resource? Understanding of addition and subtraction. Use of a number line. |
What hardware expertise does one need to learn to use the resource? Mouse use (click and drag) |
What extra things must be done to make it work? Figure out how to use tool:
Choose step size, play with adding bars, dragging the number bar to correct position and clicking and dragging the arrow to change size of the number bar. |
How hard was it for you to learn? Ok |
Explanation: Did not see any directions. Had to use manipulative to figure it out. Relatively easy for an adult to figure out, but students would likely need directions. |
Ability to meet my goals: Effective |
Recommended for: Math 3: Number sense, Fractions, Measurement Math 4: Number sense, Fractions, Measurement Math 5: Number sense, Fractions, Measurement |
Tool: Number Line Bars Review