Geometry

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Customise the Polypad features and UI, or use advanced tile properties and authoring tools.

November

  • A new record button in the toolbar and playback tile on the canvas, that can be used to record whatever you're doing in Polypad.
  • A new hand tile to visualise numbers using hand gestures.
  • A new multi-line text input box that can be added in authoring mode. Many new customisation options for this and the existing input field (e.g. fill and stroke styling).
  • Fractional width and height for fixed-size canvases.
  • Support for layering of dynamic geometry tiles.
  • Many accessibility improvements.

September

Video Overview #2

Video Overview #1

  • Variable Tiles that can be used to compute properties of one or more tiles on the canvas.
  • Set the stroke colour, weight and style on many different tiles, using a redesigned colour picker in authoring mode.
  • Set the background fill colour for images, textboxes, drop zones, ten frames, and other tiles.
  • New styling for dropzones, including a new "hover" mode, and the option to customise the hover color.
  • New interactivity option "Cannot copy or delete".
  • Extra options for Exploding dots, and improved ability to set initial viewport dimensions.

August

  • Rounded corners option for textboxes, equations, and all polygon tiles.
  • Click buttons on the canvas even when the sketch tool is enabled.
  • Drop shadows toggle for images and textboxes.
  • Resize the cells of ten frames.

July

  • Fixed size layout option for textboxes.
  • Editable toggle for textboxes and equation areas.
  • Allow clicking action buttons when sketch tool is enabled.
  • New "difference" clipping option for polygons.

June

Video Overview

  • Significantly improved keyboard accessibility, including selecting multiple tiles, focussing tile handles, trapping focus in modals, and allowing panning with arrow keys.
  • Separate "visibility" from the other interactivity "status" options. This is backwards-compatible, and allows hiding/showing tiles with action buttons preserve other interactivity options.
  • Equality labels for the balance scale.

May

Video Overview

  • Significantly updated dropzone behaviour: you can now click on a dropzone to move your current selection into it (click-to-stick), rather than just drag-n-drop. Authors can also mark tiles to "Stay in Dropzones", in which case they return to their original dropzone if ejected from another one, or dragged elsewhere on the canvas. New tiles made using generators with this property are deleted.

April

Video Overview

  • Snap Cubes.
  • 3 new modes for area animations
  • Ability to recover unsaved changes.
  • Interpolate variables in text boxes and polygon labels using the ${} syntax.
  • Increment buttons for number cards.

March

Video Overview

  • A new tutorial panel in the sidebar.
  • Ability to edit the value of tiles on the balance scale directly.
  • Authoring mode toggle for a large UI, and new drawing tool options (pen and eraser only, or coloured pencils)
  • Advanced validation options for drop zones (match, cover and compare).
  • Don't scale handles and selection outlines when zooming.
  • Allow the song tile to trigger action buttons.
  • Don't show outlines for tiles in a group.

February

  • Polypad moved to from Mathigon to Amplify, and you now sign in with Desmos Classroom accounts. Learn more in our FAQs.

January

Video Overview

  • Sonification for dice and spinners.
  • Authoring option to make text-boxes non-editable.
  • New button to graph equations.
  • Split and merge number frames.
  • Custom major gridlines for ten frames.
  • Input field for arbitrary-length number bars.
  • Set the initial viewport in authoring mode.
  • Reset polypad button.
  • Trash folder when deleting Polypads in your library.

November

Video Overview

  • Authoring mode toggle to prevent adding and removing vertices of custom polygons.
  • New "evaluate" button for equations, that replaces the previous toggle. New UI for how evaluated expressions are displayed, as a full equation. Option to change the output type to decimal, fraction or mixed number.
  • New "navigate" action for buttons that zooms/pans to a specific area of the canvas, and new "single use" option for action buttons.
  • Support recolouring of individual bars in single-series bar charts.
  • Text box UX improvements and other bug fixes.

October

Video Overview

  • Function machines that can take many different tiles as input and perform a computation. You can invert linear functions, tabulate the items that pass through them, change the function expression, or hide it entirely.
  • New action buttons that can be created in authoring mode and used to trigger actions like rolling dice, playing music or hiding/showing tiles.
  • Number cards now support fractions and mixed numbers as a display style.
  • New option to play musical scales in reverse.
  • The text label of polygon tiles is now used as numeric value on balance scales.

September

Video Overview

  • Improved action bar layout and dropdowns. Ability to force pin or unpin the action bar in authoring mode.
  • New "arrow" tile.
  • Updated instrument samples.

August

Video Overview

  • New example and template canvases.
  • Customizable text labels for polygon tiles (authoring mode).
  • Border radius for rectangle tiles (authoring mode).
  • Input fields for rectangle width/height and circle radius (authoring mode).
  • Support for SVG image upload.
  • New instruments and sound samples.
  • Export drop zone values to Computational Layer in Desmos Activity Builder.

July

Video Overview

  • Prefix and suffix options for number line labels.
  • Alpha and ellipse masking of images.
  • A “percussion” version of the Song tile.
  • Vertical grid lines for the Song tile.
  • Set the starting number for number grids (addition, multiplication, and 100 grid).
  • Option to disable rotating of individual tiles in authoring mode.

June

Video Overview

  • Degrees label option for fraction circles.
  • Fraction simplification options for number line labels.
  • Increment buttons for most number input fields in action bar.
  • Redesigned instrument picker.

May

Video Overview

  • A new "Authoring Mode" that combines the previous "edit hidden tiles" and "select tiles and tools" modes. The UI "presets" have been removed. Instead, all options are shown in authoring mode, and there are new buttons to (de)select all features. Some actions (layer, interactivity, etc.) are now only visible in authoring mode. Drop zones and input fields can only be added and edited in authoring mode, and you can also set the exact x/y position of tiles.
  • New Drop Zones that can be used to create drag-n-drop interactives.
  • New Einstein Hat monotile.
  • Set the horizontal and vertical denominator of Algebra tiles to custom values (e.g. to make x/3).
  • Change the "width" property of number lines to non-integer values.
  • The "Arpeggiation" music option has been removed for all tiles. Instead, you can now pick from a "Scale" dropdown, including "None" for no arpeggiation.

March 2023

Video Overview

  • Tiles now remember the color of their back side when flipped.
  • Customize the width of "notebook" style canvases.
  • The default aggregation method when tabulating probability tiles is "cumulative".
  • Allow playing/animating grouped tiles.

February 2023

Video Overview

  • Split algebra tiles into fractional tiles, horizontally or vertically.
  • Option to display fraction bars and fraction circles without unit fraction subdivisions. Resize fraction bars and fraction circles. Increase maximum denominators from 32 to 64.
  • Sonification for continuous function plots and for fraction circles. New "angles" and "area" animations for polygons. New instruments and instrument picker.
  • Show combined fraction bars and circles, without unit fraction subdivisions. Resize fraction bars and circles.
  • Clickable hyperlinks in text boxes.
  • The "Evaluate expression" option for the entire canvas has been removed. Instead individual equation tiles now have a toggle to tun on evaluating (which is disabled by default).
  • Improved actionbar UI. The actionbar will now always stay within the visible canvas area. The "pin" button has moved into the advanced dropdown.

January 2023

Video Overview

  • Group and ungroup tiles, and tabulate the sum of groups of dice or the sequence of groups of coins.
  • Flip and rotate number line jumps.
  • Arrows, decorations and display types (line/ray/segment) for dynamic geometry lines.
  • Custom accessible text for all tiles.
  • Scaling for custom rectangles.

December 2022

Video Overview

  • Switch between "fixed", "notebook" and "infinite" viewport modes, as well as increased pan and zoom limits.
  • Set the canvas background colour, including improved theming in dark mode.

November 2022

Video Overview

  • Updated UI to : the previous popup has moved to the "File" sidebar, with user library moved to a different tab. Selecting tiles or tools that are available to students now happens within the corresponding areas of the Polypad UI.
  • New Keyboard and Song tiles for creating music within Polypad.
  • Nested folders and search for organising saved Polypads.
  • Significantly updated fraction circles, with ability to resize, rename, split and merge.
  • New resizable circle tile.
  • Ability to change the colour of individual spinner regions.
  • Animation and sound effect for random number generators.
  • The "High Contrast Mode" and "Handdrawn Mode" settings are now stored with a canvas, rather than locally in your browser.

September and October 2022

Video Overview

  • Sonification of polygons, number bars, and fraction bars.
  • 3D number cubes
  • Slider to subdivide number bars into their factors
  • New "Clone when moving" interactivity type for tiles, that creates a copy when moving it.
  • New arrow options for number lines and coordinate axes.
  • Label option for individual sectors in Prime Factor Circles.
  • Hold shift key to resize rectangles as squares.

July and August 2022

Video Overview

  • Canadian currencies
  • Resizing and text wrapping for text boxes.
  • Option to hide all labels on rulers
  • Scale factors on polygons
  • New layering and interaction options for all tiles.
  • Increased limits for fraction bars and number grids.
  • Prevent student accounts from moving, copying, or deleting question field input tiles.

May and June 2022

Video Overview

  • Resizable algebra tiles.
  • Tabulation options for probability events.
  • Split and merge number cards.
  • Degree labels for tile rotation.
  • Shortcuts for creating tables from charts and for filling number frames.

April 2022

Video Overview

  • Coin tiles for USD, EUR, and GBP
  • Random number generator tile
  • Fractional and percentage increments for number lines and coordinate axes, as well as multiples of π.
  • Size labels for number tiles

February 2022

Video Overview

  • New “Customize UI” panel.
  • Custom rectangles and regular polygon tile.
  • Geometry tool to construct rectangles and angles.
  • Labels on .
  • Metronome input and sound or decimal display output for logic gates.
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  • 10-sided polyhedral dice
  • Increased label options for fraction bars and increase maximum denominator to 32.

January 2022

  • Logic gates, switches, lightbulbs, latches, and flip-flops
  • Inches on the ruler
  • Advanced options for hiding the resize of customize handles for specific tiles
  • Improved RTL styles for the Arabic version of Polypad
  • Chessboard and pieces, including move hints.
  • Ten frames and two-sided counters
  • Multiple-jump arrows for the number line
  • Resizable balance scale
  • Advanced linking options with tables and graphs

November 2021

Video Overview

  • Compass and set triangle utensils.
  • Sliders for variables that can be used in equation or coordinate system plots.
  • Option to "evaluate" equations on the canvas. Use equation as weights on the balance scale.
  • Action to "transpose" a table.
  • Optional sound effects for many actions like rolling dice or shuffling cards.

August 2021

  • Support for 3D geometry: add some built-in solids to the canvas, or create custom nets using polygon tiles. Polyhedra can be rotated
  • Many different chart tiles (row, column, line, area, pie, donut or box plot): you can link data from any table to a chart, modify individual series by double-clicking, and choose from many different display options (e.g. stacked or grouped).
  • New Clock components
  • Improved graphic precision, and support for implicit multiplication in equation editor.
  • High contrast mode for projecting Polypad in the classroom (enable in settings popup).

July 2021

  • Significantly updated "File" menu: organize saved Polypads into folders, more granular sharing settings (public, students/teachers, private), examples and assignments appear as a special folder, and we moved the share and change-log panels.
  • Re-organized "Tiles" sidebar with improved grouping of tile types.
  • Buttons to change the denominator of fraction bars (expand and reduce), including support for denominators up to 1/24.
  • New "Number Dot Arrangement" component.
  • New number tables (addition, multiplication and integers) and number frame components.
  • Remember the weight of balance scale tiles when you save a Polypad. Fix support for algebra tiles on the balance scale: you can now change the value of "x" and even solve quadratic equations.
  • New algebra tiles for y, y² and xy, including support on balance scales.
  • New advanced options to lock the position of a tile (but allow selecting/copying/etc) and to make a tile invisible.
  • Improved change handling with the color picker (create a single "undo" state when moving a slider or typing in the RGB fields).
  • Updated number card colors, and action to "negate" their value.

June 2021

  • Polyhedral Dice.
  • Stack, shuffle, and draw playing cards, standard deck template in sidebar.
  • New "join" action to merge multiple polygons. Improved "cut" algorithm for polygons.
  • Double-click dice, coins and spinners to randomize, and playing cards to draw a card.
  • Tutorial Pages for every tile type.
  • Improved number line resizing and snapping, and flip actions for ruler and protractor.
  • Significant performance improvements.
  • Improved graph plotting with implicit functions.
  • Hide Exploding Dots labels when the "hide number labels" option is selected.

May 2021

  • Transparency support in color picker.
  • Drag to select ranges of cells in tables, and copy/delete them.
  • New Domino tiles under Probability.
  • Irregular pentagons under Geometry.
  • Handle to partially highlight fraction bars.
  • Function plotting: create a coordinate system and an equation editor component. Next, drag the blue triangle on the right side of the equation editor onto the coordinate system.
  • Buttons to quickly change the axes scales of coordinate systems.
  • Decimal and percentage labels for fraction bars and fraction circles.
  • Direct number inputs for the RGB values in the color picker.
  • New table component in the Tools section of the sidebar.
  • Layering and locking for tiles.

Empty Canvas
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