Education.com
Education.com: Second Grade Resources
View the entire library of resources that can be used in a second-grade classroom. Filter by subject, worksheets, online games, guided lessons, lesson plans, and more!
Better Lesson
Better Lesson: Theoretical vs Experimental Probability
Sixth graders will be able to see the relationship between theoretical probability and experimental probability by computing both at the same time.
University of California
Geometry Junkyard: Randomness and Geometric Probability
This site contains information on the randomness and geometric probability. It includes several links for information, includes real life examples.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math; Introduction to Probability
A good introduction to concepts in probability, this page also gives a great definition of sample space. Scroll down halfway to find sample space.
National Council of Teachers of Mathematics
The Math Forum: Pascal and Fermat Beginnings of Probability
This site describes early applications of probability, the roles of Pascal and Fermat, and the problem of points.
Richland Community College
Richland Community College: Probability Definitions
This site, which is provided for by the Richland Community College, gives a list of probability definitions.
Maths Challenge
Maths challenge.net: Counting Triangles
A "one star" geometry problem that requires finding the visual pattern and applying logic with pattern recognition to solve this number of triangles problem.
Other
Fayetteville State University: Hypothesis Testing
A page from the university's statistics site which builds on the standard errors from the Central Limit Theorem previously explained. Here hypothesis testing is defined and validated.
Other
Westgard Qc: Hypothesis Testing
A good description of hypothesis testing. Refers to the null hypothesis as a "straw man" that is either left standing or knocked down. Other links are provided to related parts of the topic.
ClassFlow
Class Flow: Proof Algebra
[Free Registration/Login Required] Students prove interesting numerical patterns by applying their number sense.
Math Is Fun
Math Is Fun: Probability Line
A good explanation of the probability of events, using probability lines in the examples.
Interactive Mathematics
Interactive Mathematics: Counting and Probability
An introduction to the concept of counting and probability includes working with factorials and finding the probability of an event.
Shmoop University
Shmoop: Basic Statistics & Probability: Factorials
The probability resource investigates factorials. Students learn about the topic through notes and examples. The tutorial consists of practice exercises to check for comprehension of the concept.
That Quiz
That Quiz: Probabilidad
Test your knowledge of probability by taking this practice test. Five levels are provided and it also tracks the number of correct and wrong answers.