Numeration

• Find equivalent names for numbers
• Identify fractional parts of a region

Operations and Computations

• Use mental arithmetic to add/subtract
• Add/subtract multiples of 10
• Add/subtract 3- and 4-digit numbers
• Use estimation to add/subtract

Algebraic Thinking

• Find patterns in addition/subtraction facts
• Find equivalent names for numbers
• Write/solve addition and subtraction number sentences

Geometry

• Identify 2- and 3-dimensional shapes
• Identify symmetrical figures
• Identify lines of symmetry

Measurement and Reference Frames

• Measure to the nearest ¼ and ½ inch
• Measure to the nearest inch, foot, and yard
• Investigate one-minute intervals
• Solve time number stories
• Use the Fahrenheit temperature scale

Data and Probability

• Make a bar graph
• Interpret tables, graphs, and maps
• Use data in problem solving
• Summarize and interpret data

Grade 3 Math Related Web Sites

• The Math Forum -- Ask Dr. Math
• Math Magic
• Mega Math
• Brain Teasers
• Math Baseball
• Stanley Park Chase Math Game
• Math Word Problems - Over 2,000 math word problems sorted by topic,, difficulty. Grades 1-6
• SuperKids math Worksheet Creator - Specify the type of problem, maximum and minimum numbers to be used in the problem, click, and print.  Great resource.
• The Math Forum Elementary Problem of the Week - Check out the archives.  Because earlier problems and the solutions are followed by a step-by-step description that each team and/or individual used to arrive at the solution, this site would be great for Math Olympiad practice or anyone who knows "there's more than one way to skin a cat.".
• Numbers in Search of a Problem - A short list of sites that provide a rich collection of data that can be used to design real life math problems: baseball statistics and player profiles, CIA World Fact Book, ESPN's sports data, U.S. Census Bureau, etc.
• Online Math Applications - investing, music, history, science, trips...much to explore.

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