Exploring the Properties of the Four Arithmetic Operations Standards/Benchmarks Alignment and Math Forum Resources

Alignment to Radnor Township School District Mathematics Standards and Benchmarks:

Standard 1: Number and Operations Concepts

Describe, represent, and apply numbers and their relationships and estimate and computer using mental strategies, paper and pencil, and technology.

Benchmarks

consistently and accurately add, subtract, multiply, and divide rational numbers (7)

is familiar with characteristics of numbers (6)

Correlation with the MathThematics textbook:

Math Forum Resources:

  Dr. Math

• Ask Dr. Math FAQ: Fractions, Decimals, Percentages
• Ask Dr. Math FAQ: Negative x Negative = Positive
• Adding and Subtracting Integers
• Middle School Archive: Negative Numbers

  Teacher Exchange

• Operations with Integers

  Problems of the Week

• Temperature Change - posted January 18, 1999
• An Interesting Integer - posted August 28, 2000

  Teacher2Teacher

• Integers - teaching strategies
• Multiplying negative integers

  Internet Mathematics Library

• Addition and Subtraction of Signed Numbers (SMILE)
• Adding Integers (SMILE)
• National Library of Virtual Manipulatives for Interactive Mathematics (NLVM)

Other Web Resources:

• Project Interactivate - Shodor Organization
  • General Coordinates Game
• MathThematics: ClassZone

Shelly Berman, Annie Fetter & Suzanne Alejandre

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