The Birthday Problem

Taken straight from the pages of a sixth-grade textbook, this four-lesson series offers dozens skills practice and problem solving exercises that support students with learning to fluently add and subtract integers. A nice way to...

Need worksheets that challenge your middle schoolers to apply their understanding of math? Problem solved! From integers, fractions, and percents, to algebra, geometry, and probability, over 100 pages of word problem worksheets are...

Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...

This inequality word problems activity is ideal to assess your learners' understanding of inequality and linear concepts around solving and writing equations and inequalities. Equations, graphs and real-life scenarios are used to assure...

Examine the consequences of varying speed.  An engaging set of five problem sets challenges young mathematicians by targeting a different grade level from K-12. In the initial lesson, scholars make conclusions about the time it takes two...

You've just hit the jackpot of integrating math problems and riddles with this jumbo-sized resource! Written as a newsletter, scroll through 35 pages of puzzles and quality problems to engage and encourage your learners to inquire and...

Add some variety to your school or district's math curriculum with this comprehensive collection of materials. Offering over 900 pages of Saxon Math lessons, worksheets, and activities, this resource is a gold mine for any middle school...

Twelfth graders determine the probability of two people in their class sharing the same birthday.  In this determining the probability of two people in their class sharing the same birthday problem lesson plan, 12th graders use...

For this birthday problem worksheet, students solve 1 probability word problem.  Students determine the number of people needed to have a 50% probability that two people will have the same birthday.

Middle and high schoolers run calculator-based simulations of the birthday paradox and explore the fact that more than 50 percent of the time, when groups of "random" strangers are assembled, only twenty-three persons are needed to find...