Curated OER
See how They Grow: Butterfly
Students view butterflies and participate in a butterfly activity to learn needed vocabulary. In this butterfly life cycle lesson, students access prior knowledge of butterflies. Students listen to a butterfly life cycle book....
Government of Alberta
Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)
Explore a set of perfect squares, as well as their square roots using this highly interactive math resource. In addition, students will get to look at estimates of the square roots of non-perfect squares. Printable activities, solutions,...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Fun Brain
Fun Brain: Tic Tac Toe Squares (Math Facts Games)
Players practice adding, subtracting, multiplying, and dividing skills while playing virtual Tic Tac Toe. They can also try their hand at squares, cubes, and square roots.
CK-12 Foundation
Ck 12: Elem Math: Classifying Real Life Objects as Basic 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] The video describes how to classify a real-world object as a circle, triangle, square or rectangle. The video is followed by additional practice problems.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Other
Allmath.com: Magic Squares Game
Magic squares have been a fascinating topic in mathematics for centuries. They are formed by filling in all the squares with the numbers starting from one so that the sum of all rows, columns, and diagonals is the same. Instructions are...
University of Cambridge
University of Cambridge: Nrich: Magic Squares
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
University of Cambridge
University of Cambridge: Nrich: 1, 2, 3 Magic Square
Sharpen your logic and basic addition facts skills while working on this challenge. Solution.
Harvey Mudd College
Mudd Math Fun Facts: Difference of Squares
Using algebra, learn how to do fast math in your head!
University of Cambridge
University of Cambridge: Nrich: Domino Square
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
Analyze Math
Analyze Math: Matrix Addition and Multiplication
Learners explore the discrete mathematics topic of matrices. The tutorial demonstrates how to add and multiply matrices. Some topics explored are scalar multiplication, multiplication of two matrices, square matrices, and addition of two...
University of Cambridge
University of Cambridge: Nrich: Magic Squares 4x4
Warm up your problem solving skills to make the magic work in these magic squares by getting the correct numbers in the correct spot. You can check your solution at this one page website.
University of Cambridge
University of Cambridge: Nrich: Magic Squares 3x3
Use your problem solving skills to make these magic squares work correctly. The solutions are at this one page website.
ClassFlow
Class Flow: Magic Math Squares
[Free Registration/Login Required] Students complete number sentences by inserting numbers in the correct order to arrive at a predetermined answer.
Interactive Mathematics
Interactive Mathematics: Factoring and Fractions
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Other
Sierra College: Trigonometric Identities
Provides trigonometric identities, which include fundamental identities, even-odd identities, addition formulas, double-angle formulas, subtraction formulas, product-sum formulas, and identities for sin squared and cos squared.
University of Cambridge
University of Cambridge: Nrich: A Square Deal
On this one page website sharpen your logic, ordered pairs, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
CK-12 Foundation
Ck 12: Inverse Matrices
[Free Registration/Login may be required to access all resource tools.] A collection of resources that teaches students that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1...
CK-12 Foundation
Ck 12: Determinants
[Free Registration/Login may be required to access all resource tools.] Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1 in the real numbers. The determinant...