Book Scrounger's Christmas Countdown
Every day leading up to Christmas, Book Scrounger
will post a review of a Christmas-themed book. This will be a great place to get ideas for Christmas shopping for your friends and family.
Most (but not all) of the books reviewed will be children's books and picture books. Check back every day for a new review!
Problem Solving for Your Classroom
Written by teachers, designed for your students
Written by teachers, designed for your students
Yesterday's Popular Games
Find the word in the telephone pad
Prepare for factoring with this quiz game
Match color, font, and letter in this strategy game
Mastermind variation, with words
Discover the hidden word before it's too late
Create words on the letter wheels
Blogs on This Site
Reviews and book lists - books we love!
The site administrator fields questions from visitors.
Our Games at Portland Proof
Find and fix the mistake in the sentence.
Select the correct word to complete the sentence
Make words by filling in letters
Recent Lesson Plans
The following is a list of some of the lesson plans which teachers have recently added to the site.
, Systems Worksheet
, Subordinating Conjunctions in Word Problems
, Distributive Property Illustrated
, Interest Compounded Continuously
, Creating a Logarithm Property
, Violin Students - Bow Parallel to Bridge
, Combining Inequalities in Interval Notation
, Set Theory - Union and Intersection
, Function Domain Worksheet
, Cannon Mountain Aerial Tramway
, Logarithm Problem Worksheet - Basic Level
, Remembering Prime vs Composite
, Algebraic Expressions and English Phrases
, Expressions, Operations, Grouping Symbols, and Relationships
, Sharing the Pizza
, Distance to the Hurricane
, Choosing Variables Wisely
, Understanding Variables as Pronouns
, Dinosaur State Park
, Crayola Experience
, Bruce Museum
, Hawk Mountain Sanctuary
, Joppa Flats and Plum Island - Newburyport, Massachusetts
, Beardsley Zoo, Connecticut
Recent Pro Problems
The following is a list of some of the problems and puzzles which teachers have recently added to the site.
, Interior Diagonal
, Matrix Multiplication
, 161 - Digits and Letters
, Three Digit Number
, Matrix Dimensions
, The Murple
, Seven Books
, Antique Table Price
, Doc Brown's Hover Car
, Orthagonal #2
, Orthagonal #1
, Maximizing xy^2
, Quadratic Maximum
, Melting a Golden Cube
, Math Textbooks for Sale
, Three Consecutive Integers
, Secant and Cosecant Identity
, Back to Back
, Perpendicular Lines
, Children, Dictionaries, and Encyclopedias
, Difference and Sum
, Computer Sale
, Five Digit Number
Ask Professor Puzzler
These are some of the recent blog posts from Professor Puzzler
These are some of the recent blog posts from the Book Scrounger's blog
Christmas Books, Day 13: The Christmas Ladder
; Christmas Books, Day 12: The Christmas Wish
; Christmas Books, Day 11: The Wild Christmas Reindeer
; Christmas Books, Day 10: How Do Dinosaurs...
; Christmas Books, Day 9: Christmas in the Big Woods
; Christmas Books, Day 8: A Christmas Carol
; Christmas Books, Day 7: How the Grinch Stole Christmas!
; Christmas Books, Day 6: American Girl Christmas stories
; Christmas Books, Day 5: The Story Orchestra Nutcracker
; Christmas Books, Day 4: Night Before Christmas
; Christmas Books, Day 3: Real Mother Goose Christmas Carols
; Christmas Books, Day 2: The Polar Express
; Christmas Books, Day 1: The 24 Days Before Christmas
; 25 Days of Christmas Books, 2017
; 5 Picture Books for Winter
Welcome to The Problem Site, a site fueled by a passion to provide interesting, informative, and valuable content to educators and students. We have an enormous collection of math problems, physics problems, brain teasers, and puzzles written by educators. We also have a fine collection of educational games. These games aren't all fancy graphics and silliness; the focus is on the educational value for students, so those who play our games will get the most puzzling, problem solving, and learning, in a compact time frame. Our games include word games, math games, strategy games, and even a handful of games specifically designed for young children. And if all that isn't enough, we also have printable mazes, worksheets, and vocabulary lists, and quizzes on a variety of subjects. The list of icons below will help you get started finding the resources you want.
English language educational games
Fun and educational games for math students
Games of strategy and skill for 1 or 2 players
Useful information and trivia on many subjects
Come back every day for brand new puzzles!
Play games on your phone or tablet.
Games suitable for younger children
Math problems and brainteasers
Print your own customizable worksheets
Give your students assignments from this site
Useful tools and worksheets for teachers and parents
Hire a math competition problem writer for your league.
Educational resources for holidays and seasons of the year
Lesson plans designed by teachers
Note: We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
New on the Site!
We have recently added several new units to The Physics Study Guide! You can read about the history of the guide in our news blog, or visit any of the following completed units:
Do you have a question you would like to ask Professor Puzzler? Click here to ask your question
Get a FREE Pro-Membership!
Educators can get a free membership simply by sharing an original lesson plan on our Articles for Educators