When it comes to school, math and physics are the subjects that are most often cited as the most difficult to master. It’s no surprise since the subjects deal with a huge amount of information which can be quite complicated. As a result, many students struggle with math and physics. Here are  some sites to help with that problem.

Fractions and Decimals

• Continued Fractions: An introduction to continued fractions.
• Fractions Fast Facts: Explains the basic facts about fractions.
• Continued Fractions Introduction: Provides good information about continued fractions.
• Working with Fractions: Shows students how to work with fractions.
• Multiplication of Fractions: Illustrates how to multiply fractions.
• Introduction to Decimals: Discusses decimals and their uses.
• Repeating Decimals: Shows how to deal with repeating decimal problems.
• Multiplying Decimals: Walks students through a few problems that involve multiplying decimals.
• Converting Decimals to Fractions: Teaches students how to properly convert decimals to factions.
• Operations with Decimals: An article that touches on most operations that involve using decimals.

Integers and Exponents

• Introduction to Integers: Discusses basic facts about integers.
• Interactive Integer Demonstration: An interactive feature that shows students how integers should be used.
• Unsigned and Signed Integers: Discusses the difference between unsigned and signed integers and when to use them.
• Integer Problems: Some good examples of integer problems.
• Adding Integers: Lesson plan aimed at teaching students how to add integers together.
• Manipulation of Exponents: Provides examples of problems that manipulate exponents.
• Integer Exponents: Good information on integer exponents.
• Exponent Properties: Points out the basic properties of exponents.
• Integer Exponent Problems: Walks students through the completion of integer exponent problems.
• Rules of Exponents: Discusses the basic rules that apply when using exponents.

Newton’s Laws

• Three Laws of Motion: Offers an overview of Newton’s laws of motion.
• Newton and the Laws of Motion: Explains the laws of motion with a brief description of Newton.
• Newton's First Law: Explains Newton’s First Law of Motion.
• Laws of Motion Activities: A list of links to activities that involve laws of motion for different grade levels.
• Newton and Acceleration: Shows how Newton’s laws explained acceleration.

Momentum and Inertia

• Mechanics and Momentum: Explains the mechanics of how momentum works.
• Momentum Lab: An online experiment that illustrates the theory of momentum.
• Momentum, Work and Energy: Shows how momentum is related to work and energy.
• Intermediate Momentum of Inertia: Briefly discusses inertia in the context of an experiment.
• Calculating Moments of Inertia: Clearly shows how to calculate inertia.

Electricity

• Electricity and Magnetism: Discusses electricity, magnetism, and how they are connected.
• Electricity: Provides information about electricity as well as several experiments involving electricity.
• Physics Lab: Electricity: A few electricity experiments to help students understand how it works.
• Static Electricity Page: Provides some good information on static electricity.
• Electricity and Magnetism Links: A list of links to multiple sites with essential information about electricity and magnetism.