Unit: Number & Operations

Goals and Objectives:

Recognize how technology can assist/hinder students’ understanding of:

· number representations

· the meanings of operations

· computation of reasonable estimates

Readings

National Numbers and Operation Standards (Select appropriate grade level)

Models of division by fractions (Ma, 1999, pp. 72-80)

Numbers (Science for All Americans, 1990, pp. 130-132)

Activities

Division of fractions

Assignment

Evaluate software that proclaims it is designed to improve students computation skills such as:

• Math Blaster (+,-, x drill and practice in arcade form)
• The Cruncher (speadsheet application)
• Treasure MathStorm! ( ?)
• Math Rabbit (computation )
• Millie’s Math House ( )

Quiz (pre/post)

Related Web Sites

National Number Standards (Select appropriate grade level)

Discussion

Post a review of the lesson you critiqued reply to two others posting

Participate in a Number discussion/listserv for at least 3 weeks posting twice in that time period

Assessment

Lessons to Critique

Select a number & operation lesson from the Math Forum

or select on of the links under Number and Operations on Eisenhower National Clearinghouse

Flowchart/Timeline

Portion of Unit	Approx. Time	Reading	Activity	Assign.	Related Web Sites	Discussion	Assessment
Pre-Assessment	½ hr		Start-up Probem				Pre-Quiz
Reading	1 hr	National Standards
Creation	2 hrs
Critique	½ hr			Evaluate Lesson Plan
Sharing	1 hr					Identify how technology enhanced learning
Web page	1 hr				Review and Select
Post-Assessment	½ hr						Post-Test