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Welcome to the Interactive Zone — the auxiliary site to our content-rich OnlineMathLearning.com! Find engaging exercises for skill-building, worksheets with auto-scoring for quick feedback, games, puzzles, simulations and other fun stuff that help you to cement math concepts into enduring skills for higher level work.

2015-04-14: New logic puzzle in the Fun Stuff section: Train Tracks.

2015-04-14: New page explaining the infamous "Cheryl's Birthday" question in the Fun Stuff section.

2013-01-20: Added Law of Sines and Law of Cosines to the Trigonometry section.

2013-12-24: Added Remainder Theorem to the Algebra section.

2013-12-08: Added Powers of i to the Complex Numbers section.

2013-12-05: Added Midpoint Between Complex Numbers to the Complex Numbers section.

2013-12-02: Added Magnitude of Complex Numbers and Distance Between Complex Numbers to the Complex Numbers section.

2013-11-22: Added Compare Fractions (with same denominator) to the Fractions section.

2013-11-14: Added Compare Fractions to the Fractions section.

2013-11-05: Added Multiplication by Multiples of 10 to the Multiplication section.

2013-10-30: Added Missing Factors to the Multiplication section.

2013-10-24: Added Missing Addends to the Addition section.

2013-10-10: Added Fact families; found both in Addition and Subtraction sections.

2013-09-18: Added Compare Amounts to the Numbers section.

2013-09-05: Added Mixed Number arithmetic operations to the Fractions section.

2013-08-31: Added Mixed Numbers and Improper Fractions to the Fractions section.

2013-08-14: Added Reducing Fractions to the Fractions section.

2013-08-08: Added Counting and Tally Marks to the Numbers section.

2013-06-10: Added Greatest Common Divisor and Least Common Multiple to the Fractions section.

2013-06-10: New section: Fractions, with arithmetic operations below 1.

2013-04-15: New puzzle in the Fun Stuff section: Binary (Takuzu).

2013-04-10: New puzzle in the Fun Stuff section: Haunted Mirror Maze.

2012-11-30: Added Number Bonds to the Addition Section.

2012-04-30: New puzzle in the Fun Stuff section: Pearls (Masyu).

2012-03-21: Added Degrees and Radians to the Geometry section.

2012-02-23: Added Arc Length and Sector Area - Radians to the Geometry section.

2012-02-18: Added Arc Length and Sector Area - Degrees to the Geometry section.

2012-01-15: New game available in the Fun Stuff section: Safecracker. Guess the code in as few moves as possible, using sums of digits as your clues!

2011-09-20: Added Polygon Names to the Geometry section.

2011-09-14: Added Addition Odd Or Even, Subtraction Odd Or Even, and Multiplication Odd Or Even to the Numbers section.

2011-09-06: Added Prime Numbers to the Numbers section.

2011-03-17: Added Range (Kurodoko) to the Fun Stuff section.

2010-12-12: Added Metric volume conversion to the Measurements section.

2010-12-09: Added Metric weight conversion to the Measurements section.

2010-11-23: Added Metric Length conversion to the Measurements section.

2010-11-07: Added Numbers To Words and Words To Numbers to the Numbers section.

2010-10-17: Added Compare Decimal Numbers to the Decimal section.

2010-10-12: Added Divide by 10, 100, 1000 to the Decimal section.

2010-10-05: Added new Measurements section with Temperature conversion.

2010-09-28: Added Exponents to the Integers section.

2010-08-13: Added a whole bunch of logic puzzles to the Fun Stuff section!

2010-08-08: Fixed some bugs in the complex number worksheets, and made the generated questions easier. Also added Complex number division.

2010-08-06: Added new Mental Math section, with a few worksheets.

2010-07-27: Added Complex number multiplication to the Complex Numbers section.

2010-07-26: Added Complex number subtraction to the Complex Numbers section.

2010-07-20: Added new Complex Numbers section with Complex number addition.

2010-07-18: New game: added CellCraft to the Fun Stuff section!

2010-06-02: Added Midpoint to the Coordinates section.

2010-05-18: Added Integers - Mixed to the Integers section.

2010-04-06: Added Coordinates section with Distance Formula.

2010-02-18: Added Sines, Cosines, Tangents, and Mixed Right Triangles to the Trigonometry section.

2010-02-09: Added Trigonometry section with Pythagorean Theorem.

2010-02-09: Added Trapezoids to the Geometry section.

2010-02-02: Added Cones and Square Pyramids to the Geometry section.

2010-01-27: Added Spheres and Cylinders to the Geometry section.

2010-01-21: Added Cubes and Cuboids to the Geometry section.

2010-01-11: Added more options to Percentages.

2010-01-07: Added Percentages.

2010-01-04: Added Decimal Rounding to the Decimal section.

2009-12-15: Added Chain Addition to the Addition section.

2009-12-07: Added Odd and Even to the Numbers section.

2009-11-30: Added Rounding to the Numbers section.

2009-10-14: Changed Addition Facts and Subtraction Facts to allow for facts on a specific number.

2009-10-09: Added Roman Numerals to the Numbers section.

2009-09-11: Added Arrange Digits to the Numbers section.

2009-09-04: Added Place Values (2) to the Numbers section.

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We hope that the free math worksheets have been helpful. We encourage parents and teachers to adjust the worksheets according to the needs of the child. For more difficult questions, the child may be encouraged to work out the problem on a piece of paper before entering the solution. We hope that the kids will also love the fun stuff and puzzles.

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