Math Yellow Pages is a free Math directory Math worksheets, Math lesson plans, Math games, Math videos, and Math Power Points for Algebra, Geometry, Measurements, Numbers and Data, and Statistics for 1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6th grade, 7th grade, 8th grade, 9th grade, and High School.

5th Grade Math - Problem Solving is an opportunity where students apply the math concepts to the various domains, including Algebra and Numbers and Operations. Frequently, problem solving will come in the form of word problems or logical reasoning activities using everyday ideas such as playing games, shopping, or traveling.

Solve Aunty's Math Challenge - This is a challenge that is frequently changed. Past challenges can also be found on this site.
Grade: 5th, 6th
Domain: Problem solving
Type: Lesson Plan

The students will have to put shapes on a scale and then balance them. Afterwards, they will have to guest the amount of each shape. This is fun and it requires problem solving and logic to figure the answer. Online game for 5th and 6th grades

Math teasers are questions to challenge your thinking skills. Interesting math questions - not too hard but enough to may most people think.
Grade: 4th, 5th, 6th, 7th, 8th
Domain: Numbers and Operations, Algebra, Geometry, Data Analysis and Probability, Measurement, Problem Solving
Type: Puzzles, Logic Questions, Quiz, test

More games on graph are a collection of games that can be played indoors and outdoors with some type of grid. Problem solving 5th, 6th, 7th, and 8th grades

Nasa Kids' Club is a place where students can build rockets, explore science and sequence objects in a fun, entertaining way. Students will have to put their thinking caps on. They may need a little help with teachers or parents at first, but then they will get the hang of it and really enjoy it. Many of the activities on the site is doing math without the numbers.
Grade: 4th, 5th, 6th, 7th
Domain: Problem Solving
Type: Activity