Probability

 The Counting Principle 1st

The Counting Principle 2nd

Cool Math 4 Kids – Concentration

Cool Math 4 Kids – Concentration 2

Cool Math 4 Kids – Crab Race

Keys – Probability of choosing the right one

Monty Hall Puzzle – Probability

BBC Education – Fish Tank

Chances – Roll a Pair of Dice

Virtual Manipulatives – Stick or Switch

Quia – Probability Battleship

Quia Jeopardy – Ratio, Percent, & Probability