These are the keyboard shortcuts supported by Polypad for accessibility: SHIFT: hold while you click on multiple tiles to select all of them at onceALT: hold before clicking and dragging on a tile to move a copyBACKSPACE: delete your current selectionC: duplicate your current selectionCTRL/CMD + X/Y: undo or redo your last changeARROWS: move the currently selected tiles up, down, left or right (hold SHIFT to reduce the shift size, for more precise moving)R: rotate the currently selected tile by 15° (hold SHIFT to rotate by –15°)S: move the focus to the sidebar on the leftT: move the focus to the toolbar at the bottomU: move the focus to the canvas areaESC: clear the current selection and close any open popups and modalsTAB: cycle through all buttons on the page and tiles on the canvas (hold SHIFT to reverse direction) Use CTRL/CMD + X/C/V to cut, copy or paste tiles. You can even copy and paste tiles from one canvas onto another!

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14 Virtual Tools: Favorite Math Apps More and more classrooms are gaining access to technology that can be used with students. Whether you’re modeling a lesson, creating stations, or working in a one-to-one classroom, virtual tools can promote student engagement while increasing academic success. Here are some apps for iPads — along with a few other tips — that can transform your daily lessons and are definitely worth checking out! Base Ten Blocks Number Pieces is a great free app that allows every student with an iPad to have an endless number of base ten blocks at their fingertips. Whether they are learning basic place value, modeling how to add decimals, or exploring expanded notation, this app is worth looking into.

Exploring Geometry with 9 Pin Circular Geoboard - Download Exploring Geometry with 9 Pin Circular Geoboard - Download If you have ever wondered how to introduce your students to the world of geometric reasoning then this new book is for you. From visualising to calculating angles in shapes drawn on a circular 9 pin geoboard, you can take them on a journey through the wonderful rigour of deductive reasoning. With clear diagrams that can be projected or copied and a narrative that opens up the problems for any reader, Geoff Faux has written a book that deserves a place in the collection of every maths teacher. This extended 100+ page PDF download is great value and includes the text of the book as well as the images and questions for use on a classroom whiteboard. the whiteboard organised files on the web version of this book are a life saver for me

Many Proofs of Pythagorean Theorem Many Proofs of Pythagorean Theorem List of animations posted on this page.(Click the text to watch animation.) Use browser's "Back" button to come back to this page. See Euclid's classical solution in animation Go to Proof by Euclid in "Element"

Fractions by The Math Learning Center How To Use Fractions Working with Fraction Bars and Circles More Toolbar Items Overview Maths Advent Calendar Cracker Joke Q. What did the mathematical acorn say when it grew up? Multiplication by Heart – Mathigon Rote memorization of multiplication facts is often disconnected, boring, and hard. Multiplication by Heart was designed to help you master multiplication facts in a meaningful, connected way. Using the flash cards for five minutes per day will help you understand multiplication and achieve true fluency. We’ve layered meaningful visualizations into the cards, so that you can understand and connect different ways of representing multiplication. Deck 1 introduces the idea of multiplication as repeated addition. Home Primes numbers A prime number is a natural number which has no divisors other then 1 and itself. With this mathematical property, these numbers are the basis of modern cryptography and are often used in computer science to make our messages unreadable for outsiders and thus keep confidential all "our little secret" that passes from hand to hand (for example sending the password to our favorite social network or the payment order between the merchant and the bank). But how to find all primes between 1 and N ? One of the great mathematical and algorithmic game is to find the maximum of these numbers.

Mathematical Modelling These virtual math manipulatives support teachers to model abstract mathematical concepts for deeper student comprehension. Similar to manipulatives that have been used for decades by teachers in classrooms, these online math manipulatives for elementary school classrooms offer numerous advantages while retaining the benefits of the classic manipulatives. According to Moyer, Niezgoda, and Stanley (2005): “Virtual manipulatives are uniquely suited for teaching mathematics with young children. A Web connection makes them free of charge and easily available. Some virtual manipulatives have the potential for alteration.

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