NPR: National Public Radio
Npr: Algebra Project Teaches Math Skills That Pay
How can we help low-income students and students of color achieve in math? Robert Moses, founder of The Algebra Project, talks about his efforts to help students succeed in math and science through this "national math literacy project."...
CK-12 Foundation
Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent
[Free Registration/Login may be required to access all resource tools.] Identify equivalent ratios as fractions, decimals, and percents.
Sophia Learning
Sophia: Introduction to Roots and Radicals
Sophia: Introduction to Roots and Radicals uses teacher tutorials and online assessments to introduce and analyze concepts such as Even Roots, Negative Numbers, Odd Roots, Partial Root, Perferct Squares, Radicals Root, and Roots.
National Council of Teachers of Mathematics
The Math Forum: Algebraic Problem Solving Using Spreadsheets
A unit is presented on instructing students how to build and use spreadsheets for algebraic problem solving. Easy-to-follow steps are provided along with problems for students to practice.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Mixture Problems
This site give a lesson plan on mixture problems. The lesson is a hands on learning experience for the students. Students mix yellow and red beads and determine the final percent of yellow and red beads in the mixture.
Purple Math
Purplemath: Homework Guidelines for Mathematics
This Purplemath guide shows you exactly how to format your homework papers so they look neat and organized.
Other
Edumat: Geometria Interactive
In this section different interactive activities are presented which can be used as supplementary material to traditional classroom and allow for interactive study of mathematics.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3: Dinosaur Bones
The purpose of this task is to illustrate through an absurd example the fact that in real life quantities are reported to a certain level of accuracy, and it does not make sense to treat them as having greater accuracy. Aligns with N-Q.A.3.
Illustrative Mathematics
Illustrative Mathematics: N q.a.1: Fuel Efficiency
The problem requires learners to not only convert miles to kilometers and gallons to liters but they also have to deal with the added complication of finding the reciprocal at some point. Aligns with N-Q.A.1.
Illustrative Mathematics
Illustrative Mathematics: N q.a.1: How Much Is a Penny Worth?
Students will determine the "real worth" of a penny by analyzing the present worth of the various metals that are used to compose the penny. Aligns with N-Q.A.1.
University of St. Andrews (UK)
University of St. Andrews: Biography of Thomas Muir
The School of Mathematics and Statistics of St. Andrew's University provides biographical information on the mathematical career of Thomas Muir. Included are links to other famous individuals with whom he worked and links to his topics...
University of St. Andrews (UK)
University of St. Andrews: Biography of Jacob Bernoulli
The School of Mathematics and Statistics of St. Andrew's University provides biographical information on the mathematical career of Jacob Bernoulli. Included are links to other famous individuals with whom he worked and links to his...
University of St. Andrews (UK)
University of St. Andrews: Quadratic, Cubic and Quartic Equations
This site gives a history of quadratic functions.
Khan Academy
Khan Academy: Algebra: Arithmetic With Polynomials and Rational Expressions
Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication i.e. one can add, subtract, and multiply polynomials.
Purple Math
Purplemath: Graphing Overview: Straight Lines
This resource provides an overview of graphing for various types of functions, instruction on graphing straight lines and also, includes advice on common mistakes made by students.
Purple Math
Purplemath: Minors and Cofactors: Expanding Along a Row
A "minor" is the determinant of the square matrix formed by deleting one row and one column from some larger square matrix. To find the determinant of the matrix A, you have to pick a row or a column of the matrix, find all the cofactors...
Khan Academy
Khan Academy: Factoring Quadratics Intro
Factor quadratics of the form x squared+bx+c. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Determine the Domain of Functions
Determine the domain of a function according to the algebraic limitations of that function. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Evaluate Sequences in Recursive Form
Find the first few terms of sequences that are defined recursively. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Evaluate Piecewise Functions
Given the formula of a piecewise function, evaluate it for a specific input. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Factor Polynomials: Quadratic Methods (Challenge)
Factor "advanced" polynomials (i.e. polynomials of various degrees and or with two variables) using quadratic factorization methods. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Difference of Squares
Factor quadratic expressions of the general difference of squares form. The factored expressions have the general form (ax+b)(ax-b). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Equations With Two Rational Expressions
Solve advanced rational equations with multiple expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Purple Math
Purplemath: Practical Algebra Lessons
Pre-algebra and algebra lessons, from negative numbers through pre-calculus. Grouped by level of study. Lessons are practical in nature informal in tone, and contain many worked examples and warnings about problem areas and probable...