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Explore and find math activities for middle school students (grades 5-8) aligned to Common Core Standards at this comprehensive site. Find materials through several different search avenues; browse standards, search by grade level, choose a domain, or use a keyword search. Content includes lesson plans, interactive activities, and videos.

tag(s): commoncore (73), decimals (85), equations (119), exponents (35), fractions (160), functions (52), geometric shapes (134), mass (19), measurement (122), operations (72), order of operations (29), place value (34), ratios (47), volume (33)

Access the Illustrated Mathematics Grades 6-8 curriculum for free through the Open Up Resources site. Register on the site to view and gain access to course materials. Select the grade level and choose teacher, parent, or student materials. Content is divided into units and lessons and includes all materials except assessments. Provide additional information related to your school affiliation to gain access to assessments. Additional options include downloading resources as a print file or import into a Microsoft OneNote Class Notebook.

tag(s): data (151), equations (119), exponents (35), factoring (25), factors (29), fractions (160), geometric shapes (134), measurement (122), OER (43), percent (59), probability (99), pythagorean theorem (19), ratios (47), transformations (12), volume (33)

Choose a path and justify it with these intriguing Would You Rather...? problems. Each post presents a math question with two answer choices. Students explore the possibilities, then make their decision with an explanation through mathematical reasoning. This blog frequently updates with new dilemmas. Find questions by specific categories by choosing from tags on the right-hand side of the home page.

tag(s): decimals (85), fractions (160), geometric shapes (134), logic (161), measurement (122), money (113), place value (34), probability (99), problem solving (233), statistics (121)

The Scalar Learning YouTube Channel provides videos and tutorials for math, standardized testing, and math music videos. In addition to explicit instruction in several topics, this site shares tips for becoming a better student. The site's playlists include "24 Days to Multiplication Mastery" and "Power Pre-Algebra." To find all of the channel's topics, check out the video list and sort by date added or most popular. Each Wednesday Scalar Learning live-streams test prep ideas as part of their video learning podcast.

tag(s): angles (52), charts and graphs (171), data (151), decimals (85), equations (119), fractions (160), geometric shapes (134), inequalities (25), logic (161), mean (19), median (16), mode (13), percent (59), problem solving (233), square roots (15), test prep (69), video (266)

Explore and find interactives correlated to NCTM or Common Core Standards for data analysis and probability in 9th through 12th grade at this excellent site from NCTM. Scroll through to choose from interactives including an Advanced Data Grapher, a Fraction and Percent Tool, a Random Drawing Tool (that allows for exploring the relationship between theoretical and experimental probabilities), and several others. All interactives include complete instructions, an exploration, and correlation to standards.

tag(s): charts and graphs (171), data (151), financial literacy (94), mean (19), measurement (122), median (16), mode (13), order of operations (29), probability (99), problem solving (233)

Dynamic Paper is a hands-on learning opportunity for high school students. Dynamic Paper allows for creation of all sorts of math manipulatives, such as pentagonal pyramid, a set of pattern blocks, a number line, and so on; all these in the size and shape you need. This interactive meets NCTM and Common Core Standards and includes directions for use, modes, a toolbar, and a suggested exploration.

tag(s): congress (40), estimation (33), geometric shapes (134), measurement (122), motion (47), pi (29), ratios (47), temperature (34)

Illuminations offers this library of interactives specifically for teaching the Algebra strand in 6th through 8th grade. The large variety of activities provides opportunities for learning content through many different methods including problem-solving, open-ended and multiple response questions, and real-world situations. Each interactive includes complete instructions, an exploration, and correlation to standards.

tag(s): charts and graphs (171), equations (119), functions (52), number lines (33), patterns (61), ratios (47)

WooTube is a middle and high school level mathematics YouTube channel and more. This site includes video playlists sorted by topic, downloadable worksheets and resources, and the author's blog. The highly acclaimed videos provide instruction in complicated topics and easy to understand content explains the relevance to the real-world use of the content. If your district blocks YouTube, the videos may not be viewable.

tag(s): fractions (160), integers (21), measurement (122), money (113), percent (59), tutorials (52), video (266), volume (33)

Desmos Classroom offers a collection of engaging activities for use with the Desmos graphing calculator, reviewed here. The hundreds of activities offer learning experiences with math vocabulary, relationships of situations to graphs, and math investigations. The teacher dashboard allows teachers to view information on individual student work. Many activities offer opportunities for student collaboration during the learning experience. Each activity includes an approximate time for completing the task and a teacher guide for facilitating the experience. Free registration is required to create class codes, save assignments, and to follow student progress.

tag(s): calculators (36), charts and graphs (171), equations (119), problem solving (233), transformations (12)

Illuminations offers this library of interactives specifically for teaching the Numbers and Operations strand in 6th through 8th grade. The variety of activities provides opportunities for learning content through many different methods including problem solving, exploration of rational numbers and proportions, and includes Dynamic Paper (create math manipulatives, such as pentagonal pyramid, a set of pattern blocks, a number line, and so on; all these in the size and shape you need). All interactives include complete instructions, an exploration, and correlation to standards.

tag(s): area (53), estimation (33), factors (29), multiplication (122), number sense (69), numbers (120), operations (72), order of operations (29), perimeter (20), problem solving (233), ratios (47), statistics (121), time (91), venn diagrams (15), volume (33)

Illuminations offers over twenty interactives and activities specifically for teaching the Algebra strand in 9th through 12th grade. The large variety of interactives and activities provides opportunities for exploring how to solve equations, substitute in variable expressions, and expand and factor, practice arithmetic and algebraic skills, and investigate the important concept of equivalence; investigate tangent lines, derivatives, and area under a curve, and a lot more. You'll also find Dynamic Paper (create math manipulatives, such as pentagonal pyramid, a set of pattern blocks, a number line, and so on; all these in the size and shape you need). All interactives include complete instructions, an exploration, and correlation to standards.

tag(s): charts and graphs (171), critical thinking (128), data (151), functions (52), geometric shapes (134), number lines (33), percent (59), pi (29), quadratics (27), ratios (47)

The Math and Science Concept Map is an interactive, customizable concept map demonstrating the interrelationships between math and science concepts. Choose or search for an idea to open up the map. Expand the map further by clicking on an item. Learn more about individual terms by selecting a "details" box; those link to videos and reading materials providing further information. You may want to view the explanatory video before exploring the concept map to get an overall understanding of this map and how it works. In order to explore all the features for this concept map, it is best to use the FireFox browser. The explanatory video resides on YouTube. If your district blocks YouTube, the video may not be viewable.

tag(s): concept mapping (15), pi (29), STEM (298)

CK-12 Common Core Math Standards provides an extensive collection of math content for grades six and higher. Use the browser to find lessons and activities for concepts and correlated standards. Most of the lessons have a short explanatory video. Create an account to save and assign to your classes, add to your library, or share to groups. CK-12 also offers the option of setting up a Flexbook Textbook with your personalized content. If your district blocks YouTube, the videos may not be viewable.

tag(s): commoncore (73), equations (119), geometric shapes (134), probability (99), professional development (385), ratios (47), statistics (121)

eMathHelp offers help and resources for high school and college students. Select Math Notes to find over 2000 notes with explanations and examples for Pre-Algebra through Calculus 2. eMathHelp also offers a large variety of calculators in various subject areas featuring step-by-step answers. Browse through the Homework Help section to find answers to previously solved problems or post your own. Be aware, this site will point you in the right direction to finding answers, they don't just give answers!!
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tag(s): calculators (36), homework (29), tutorials (52)

MathGames offers a large variety of math activities and interactive questions for grades preK-8 all fully aligned to Common Core Standards. Choose a grade to start, or choose by skills. Other options allow you to choose by grade level standards. Registration isn't necessary to play individual games; however, enrollment as a teacher provides additional features. Input your class to receive detailed progress reports as well as leaderboards and student competitions.

tag(s): addition (129), charts and graphs (171), differentiation (84), division (98), equations (119), estimation (33), fractions (160), game based learning (205), geometric shapes (134), measurement (122), mental math (19), multiples (15), multiplication (122), patterns (61), pi (29), preK (270), ratios (47), statistics (121), subtraction (110), time (91)

Contrasting Cases provides curriculum and professional development for developing flexibility in math problem solving in Algebra. The site includes many printable resources for classroom use including student handouts and teacher guides. Click the word Curriculum on the top menu, and then click Materials in the left menu to find the printable resources. Also, there are archived webcasts illustrating teaching techniques and discussions on why students struggle with Algebra concepts.

tag(s): critical thinking (128), equations (119), problem solving (233), thinking skills (17)