Handout
Other

Maths Net Interactive: Interactive Geometry: A Glossary

For Students 9th - 10th Standards
Click on the appropriate word to view a small graphic depicting the term, or click to the crossword puzzle version of thisinteractive glossary.
Lesson Plan
Homeschool Math

Homeschool Math: Divisibility Rules

For Students 5th - 6th
This is a complete lesson about the concept of divisibility and common divisibility rules. It briefly reviews the concepts of factor, divisor, and a number being divisible by another. Then, the "easy" divisibility rules by 2, 5, 10, 100,...
Activity
Homeschool Math

Homeschool Math: Comparing Fractions

For Teachers 4th - 6th Standards
Video lesson [8:41] explains various methods for comparing fractions. It includes word problems and a puzzle for practice.
Activity
Cut the Knot

Cut the Knot: 3 Glasses Puzzle

For Students 9th - 10th
Challenge students to a well-known riddle involving three different-sized glasses, some water, and a goal of a certain amount to be measured out. At this site, students can actually "pour" the water back and forth to solve the problem.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Polyhedra in the Classroom

For Teachers 9th - 10th
Lesson plans for many student activities which introduce the concept of polyhedra into the classroom. Some activities can be accomplished by hand with paper, pencils, and scissors, but the unit works best if the students can regularly...
Interactive
Quia

Quia: Evaluating Algebraic Expression

For Students 9th - 10th Standards
This interactive game is similar to Concentration. Students must evaluate the expression in the puzzle for the given value and match it with the correct answer.
Website
PBS

Pbs Learning Media: Solving an Equation for a Missing Value

For Students 3rd - 8th
The CyberSquad solves a number puzzle to help save Motherboard in this video segment from Cyberchase.
Website
PBS

Pbs Learning Media: Solving the Sphinx's Fraction Problem

For Students 3rd - 8th
In this Cyberchase video segment, Wicked and Digit solve a fraction puzzle in order to move on in their quest to save the CyberSquad.
Lesson Plan
Oswego City School District

Regents Exam Prep Center: Order of Operations and Evaluating Expressions

For Teachers 9th - 10th Standards
Please excuse my dear Aunt Sally. This sentence takes on greater meaning when learners realize it will assist them in remembering the all-important order of mathematical operations. A lesson plan, several interactive practice pages, and...
Interactive
ABCya

Ab Cya: Zero Sum

For Students 3rd - 6th
Welcome to Zero Sum, a fun math-puzzle game! Drag the tiles over the target numbers to reduce their values to zero. Be careful to make sure that none of the target numbers get reduced below zero. If you get stuck, use the reset button to...
Interactive
ABCya

Ab Cya: Mystic Numbers

For Students 3rd - 5th
Enter the Mystical Temple and discover hidden treasure by placing the number orbs in the correct spots on the pedestal. Great addition skills are essential in this exciting math puzzle game. Give it a try!
Unit Plan
Discovery Education

Discovery Education: Puzzlemaker

For Students 9th - 10th
Use this free tool to create various kinds of puzzles like wordsearches, criss cross, math squares, mazes, etc. Select the puzzle type, follow the simple direction, enter your words, and print out the finished puzzle with an answer key.
Website
Other

Juegos, Acertijos, Y Recreaciones Matematicas

For Students 9th - 10th
In Spanish. A variety of logic problems, including puzzles and word problems with links to the answers. An excellent site to engage Spanish speaking students.
Website
abcteach

Abcteach: Earth Day Activities

For Teachers Pre-K - 1st
[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...
Unit Plan
TED Talks

Ted: Ted Ed: Group Theory 101: How to Play a Rubik's Cube Like a Piano

For Students 9th - 10th
Mathematics explains the workings of the universe, from particle physics to engineering and economics. Math is even closely related to music, and their common ground has something to do with a Rubik's Cube puzzle. Michael Staff explains...
Interactive
ABCya

Ab Cya: Shapes: Geometry Game

For Students Pre-K - 1st Standards
Shapes is a fun educational activity to help children learn basic properties of simple geometric figures. Children will practice looking for differences and similarities between shapes to complete puzzles. Shapes! gets progressively more...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Number Tricks

For Students 3rd - 8th Standards
Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...
Website
Other

Groundhog.org: The Official Site

For Students Pre-K - 1st
This site from Groundhog.org provides activities for all ages to celebrate the dubious but delightful holiday of Groundhog Day! Teachers will find some great activities for the younger students like coloring pages, math activities, word...
Website
Other

Groundhog.org: The Official Site

For Students Pre-K - 1st
This site from Groundhog.org provides activities for all ages to celebrate the dubious but delightful holiday of Groundhog Day! Teachers will find some great activities for the younger students like coloring pages, math activities, word...
Interactive
PBS

Peep and the Big Wide World: Games and Videos

For Students Pre-K - 1st
This site provides science and math games and videos for Pre-K through early elementary students.
Unit Plan
TED Talks

Ted: Ted Ed: Can You Solve the Temple Riddle?

For Students 9th - 10th
Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...
Website
Other

Tessellation World of Makoto Nakamura

For Students 9th - 10th
There's more to do here than just look at Escher-like tessellations. You can watch animated tessellations and put together puzzles.
Website
PBS

Pbs Learning Media: The Puzzle of the Amulet of Amagansett

For Students 3rd - 8th
In this video segment from Cyberchase, Wicked and Digit use what they know about fractions to figure out how many jewels are missing from the Amulet of Amagansett.
Website
Enchanted Learning

Enchanted Learning: All About Whales

For Students 2nd - 7th
This site provides a great deal of information about whales.

Other popular searches