Math Is Fun
Math Is Fun: Probability
Explains what probability and outcomes are. Presents a formula for calculating probability for a simple dice or marble experiment. Introduces the concept of a probability line and discusses vocabulary used to talk about probability....
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Mr Barton Maths: The Maths E Book of Notes and Examples [Pdf]
A 374-page colorfully illustrated e-book on topics in four categories: Number; Algebra; Shape, Space, and Measure; and Data Handling and Probability. The presentation is similar to what you would find in a Math dictionary.
National Council of Teachers of Mathematics
Nctm: Figure This: Combination Locks
If you're good with numbers, then here's a challenge just for you. See if you can figure out how many three number combinations you can make using numbers from 0 to 39. A probability challenge that explores number arrangements. Taken...
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...