Website
Can Teach

Can Teach: Math Centers

For Teachers 3rd - 5th Standards
This page offers a variety of math center ideas for general math and geometry. Instructions on setting up the center are not provided for most ideas, however, those lacking instructions are pretty self-evident.
Interactive
Math Cats

Math Cats: Jumping Math Cats

For Students 3rd - 8th
An interactive game where players use problem-solving and logic to jump as many of the math cat faces as possible.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Street Orchestra: Fractions & Decimals

For Students 3rd - 5th
Puzzle together with Adrian and his street band and learn about fractions, decimals and percentages.
Activity
National Institute of Educational Technologies and Teacher Training (Spain)

Ministerio De Educacion: Geo Gebra Prim (Conexiones Misteriosas)

For Students 3rd - 8th
Challenge yourself with this puzzle. Try to connect the dots of the same color with horizontal and vertical segments without leaving the grid and without crossing the lines.
Interactive
Math Is Fun

Math Is Fun: Add Em Up

For Students 3rd - 5th
This is a demo version of the game with two modes of play. In one, you must place number tiles on a grid so that the tiles touching it add up to that number. In the second mode, you solve number puzzles. Be sure to read the instructions...
Interactive
Math Is Fun

Math Is Fun: Tangrams

For Students 3rd - 5th
Five sets of tangram puzzles to challenge yourself with.
Interactive
Hooda Math

Hooda Math: Hooda Stacker

For Students 3rd - 8th
Hooda Math games provide students extra practice in a variety of math skills. This game focuses on CCSS.Math.Practice.MP1 Make sense of problems and persevere in solving them and CCSS.Math.Practice.MP8 Look for and express regularity in...
Interactive
Cool Math

Coolmath: Coolmath4kids: Brain Teasers

For Students 1st - 6th
A collection of Math brain teasers.
Activity
Harvey Mudd College

Mudd Math Fun Facts: Squares Ending in 5

For Students 3rd - 8th Standards
This math tutorial features an exercise in which you are given any two-digit number that ends in 5 and then square it in your head.
Activity
Other

Rhl School: Math Problem Solving

For Teachers 3rd - 5th Standards
Utilize this site for lesson plans and worksheets to help your students with math problem-solving.
Lesson Plan
Other

Nz Maths Problem Solving Lesson Plans: Level 1

For Teachers 3rd - 5th
NZMaths, a New Zealand teacher resource, provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.
Lesson Plan
Other

Nz Maths Problem Solving Lesson Plans: Level 2

For Teachers 3rd - 5th
NZMaths is a New Zealand teacher resource that provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.
Activity
Ministry of Education and Employment of Spain

Red Escolar: Problemas De Holmes 2002

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2006

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2003

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2004

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Math Is Fun

Math Is Fun: Introduction to Algebra: Multiplication

For Students 3rd - 8th Standards
How do you solve for a variable that is multiplied by another number in an algebraic equation? Find the answer to this question and see examples showing how to solve other types of algebra "puzzles."
Activity
Math Is Fun

Math Is Fun: Introduction to Algebra

For Students 3rd - 8th Standards
How is algebra like solving a puzzle? What is a variable? This simple introduction to algebraic equations offers examples of how to solve for "x" and how to balance equations. Follow a link to a "Simple Algebra Worksheet" when you're...
Interactive
Math Playground

Math Playground: Shape Inlay Game

For Students 3rd - 8th Standards
Drag and drop shapes into a puzzle to explore tessellations.
Lesson Plan
Homeschool Math

Homeschool Math: Divisibility Rules

For Students 5th - 6th
This is a complete lesson plan 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,...
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.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Shutting Puzzle

For Students 3rd - 8th
Sharpen your problem solving skills and figure out a solution for this interesting problem. The solution is on this one page website so that you can check your answer.

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