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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Absolute Value

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics related to absolute value, including solving equations and inequalities involving absolute values. There are example problems solved, problems for the student to attempt,...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Adding Algebraic Fractions

For Students 9th - 10th
Here is a site that clearly and thoroughly explains adding algebraic fractions (rational expressions) both with common denominators and with different denominators. There are example problems solved, problems for the student to attempt,...
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: The Difference of Two Squares

For Students 9th - 10th
Here is a site that clearly and thoroughly explains factoring and multiplying a difference of two squares. There are example problems solved, problems for the student to attempt, and answers to the student problems. A set of cumulative...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Exponents

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics related to exponents, including the product rule, power rule, and quotient rule. There are example problems solved, problems for the student to attempt, and answers to the...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation

For Students 3rd - 8th Standards
If you are looking for a website that explains and defines the basics of mental multiplication with helpful hints then you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Equations With Fractions

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains solving equations with fractions by finding the least common multiple of the denominators and clearing the fractions. There are example problems solved, problems for the student to...
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Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Linear Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains solving linear equations, from the basic form ax+b=c up through equations with variables on both sides and with parentheses. There are example problems solved, problems for the student...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Factoring Trinomials

For Students 9th - 10th
Here is a site that clearly and thoroughly explains factoring trinomials, including those with leading coefficient other than 1. There are example problems solved, problems for the student to attempt, and answers to the student problems....
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Common Factor

For Students 9th - 10th
Here is a site that thoroughly explains many topics related to factoring out the greatest common factor from a sum or a polynomial expression. There are example problems, problems for the student to attempt, and answers to the student...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Inequalities

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics related to inequalities, including solving and graphing simple and compound inequalities. There are example problems solved, problems for the student to attempt, and answers...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Logarithms

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains logarithms from the definition through the properties. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Multiplying & Dividing Algebraic Fractions

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains multiplying and dividing algebraic fractions (rational expressions). There are example problems solved, problems for the student to attempt, and answers to the student problems. Point...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Multiplying and Dividing Signed Numbers

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains multiplying and dividing signed numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Dividing Whole Numbers: Short Division

For Students 3rd - 8th Standards
This tutorial explains short division and provides a practice section at the end of the lesson.
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Unit Plan
Lawrence Hall of Science

The Math Page: Trigonometry: The Isosceles Right Triangle

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the trigonometry of a 45-45-90 right triangle. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
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Unit Plan
Lawrence Hall of Science

The Math Page: Trigonometry: The 30 60 90 Right Triangle

For Students 10th - 12th Standards
Here is a site that clearly and thoroughly explains the trigonometry of the 30-60-90 right triangle. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
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Graphic
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Symmetry

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the symmetry of even and odd functions and how to test for these types of symmetry. There are example problems solved, problems for the student to attempt, and answers to the student...
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Activity
Lawrence Hall of Science

The Math Page: Trigonometry: The Law of Sines

For Students 9th - 10th Standards
Work through an explanation of the law of sines, how it is used with an obtuse angle, and a proof of the law of sines. Great site for students studying trigonometry.
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Unit Plan
Lawrence Hall of Science

The Math Page: Trigonometry: The Law of Cosines

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the law of cosines and how to use it. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Some Rules of Algebra

For Students 9th - 10th
Here is a site that clearly and thoroughly explains many rules of algebra, such as the commutative property and the addition property of equality. There are example problems solved, problems for the student to attempt, and answers to the...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Reciprocals and Zero

For Students 9th - 10th
Here is a site that clearly and thoroughly explains many topics related to reciprocals and the number zero, including the zero product property and the notion that dividing by zero is undefinable. There are example problems solved,...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Quadratic Trinomials

For Students 9th - 10th
Here is a site that clearly and thoroughly explains multiplying linear binomials to get quadratic trinomials. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Radicals: Rationals & Irrationals

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics related to radicals. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Rectangular Coordinates

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the Cartesian coordinate system. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have...