The combination function is used to solve probability counting problems. Several examples are presented with detailed solutions.

The probability of winning this popular lottery game is calculated for each type of winning combination. An interesting phenomenon is presented and its probability is also calculated.

This compilation of math activities engages parents and children in the use of math whenever they are at home. Packed with concise, high interest activities, related illustrations, detailed "parent pointers," and easy to following...

Great ideas for "100th Day" activities. Most of these would be a good challenge for upper elementary school students if you want to include them in your 100th Day celebration. Activities include counting, measuring, weighing, sorting,...

An interesting Applet that simulates the toss of a coin 100 times. A quick count of the results and an accompanying graph make this site useful for both teacher and student.

A cereal company is offering six different prizes in their boxes. How many boxes would you expect to have to purchase in order to collect all six prizes? Known as the Cereal Box Problem, this question is explored here. A solution is...

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...

Excellent discussion of the life and work of this great scientist and mathematician. Describes his range of interests and notes his many contributions. Please note that ?The Catholic Encyclopedia? is a historic reference source and...

Dozens of statistical terms are defined and illustrated in this glossary.

An activity where students toss a set of tacks one hundred times and plot how many land on their sides each time. They then calculate the mode, median, and mean.

Each of the 20 students in Mr. Anderson's class flipped a coin ten times and recorded how many times it came out heads. Aligns with 7.SP.C.6.

Based off of the hit television show NUMB3RS, this lesson introduces students to the Birthday Problem, in which one calculates how many people must be in a group so that a birthday is "probably" shared. The solution to this problem is...

How many tiles would you have to pick to be confident that your estimated probability truly represents the situation? In this activity, you will draw a tile from a bag, record its color and put it back in the bag. The bag contains 24...

In this activity, students explore how to write and enter a calculator program that will simulate coin tossing for a given number of times and count the number of heads and tails. They analyze the program and modify it.

Enter the world of Poisson Distributions. A brief background is given on the properties and applications of the concept. Examples are presented for calculating probabilities, mean and variance for situations that fit the conditions of...

The definition and properties of binomial distributions are presented here, along with the formulas for finding the mean and variance. Examples are provided to demonstrate how binomial distribution problems are solved.

A collection of mock math tests, designed for grades 3-5, modeled after portions of standardized tests.

Decide which spinner is fair for each of the probability examples presented. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the...

Permutations are used in several detailed examples to demonstrate the method for finding the number of arrangements of events.

Practice predicting what the outcome would be in each of the probability examples presented. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you...

Formulas and properties of the normal distribution are presented, including details on the normal random variable and the standard normal distribution. Several real world examples are also included with detailed solutions.