Handout
Wolfram Research

Wolfram Math World: Trapezoidal Rule

For Students 9th - 10th
This site from MathWorld.com give a formula for a two point trapezoidal approximation for the area under a curve.
Handout
eFunda

Numerical Integration: Newton Cotes Formulas

For Students 9th - 10th Standards
Good site explaining the various methods for numerical integration.

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