Math
Master math problem solving while improving attention and focus — K-12 arithmetic, word problems, algebra, and geometry apps, plus printable practice books.
Online Arithmetic
Interactive arithmetic practice that adapts across grade levels K-12.
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Online Math Word Problems
Story-based word problems that build reading comprehension alongside math skills.
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Online Algebra
Guided algebra practice from foundational equations through advanced topics.
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Online Geometry
Visual, hands-on geometry practice for shapes, angles, and spatial reasoning.
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Online Math Problem Practice (Badge)
Track achievement and mastery as students work through math problem sets.
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Math Made Easy
A printable practice book for building core math skills at home or in class.
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Talented and Gifted Math
Enrichment math problems designed to challenge advanced learners.
Download PDFLanguage Arts
Reading, writing, and creative-expression tools — including free apps to support students with dyslexia and other diverse learning needs.
Blizzard Story Board — Word Processor & Art Pad
Born during the Blizzard of 2026, Blizzard is a free, browser-based word processor and drawing pad that works anywhere — even offline. It pairs a distraction-light writing space with an integrated Art Pad, so students can respond to writing prompts through drawing as well as text.
- Less overwhelm — structured layouts and simplified navigation keep the focus on ideas
- More ways to respond — canvas drawing and image tools support visual learners
- Personalized by design — specialists can quickly adapt materials for individual learning plans
NELDC Sound Step Reading
A structured, sound-based reading app to support decoding and phonics skills.
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Dino Dig
An interactive paleontology adventure where students excavate fossils and learn about prehistoric life.
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Storm Tracks
Explore weather patterns and storm systems with this dynamic climate-science simulation tool.
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Feather Rock
A creative geology and nature app where students identify rocks, minerals, and bird species.
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NELDC Advanced Sound Step Reading
The next level of sound-based reading support for growing readers.
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Reading Made Easy — Book 2
A printable reading practice book to build fluency and comprehension.
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PDF Forge
Fill out, edit, and manage PDF forms and documents directly in the browser.
Open ToolMusic and Art
Accessible instruments and creative apps designed to remove traditional barriers to musical and artistic expression — great for building focus, sensory regulation, and creativity.
StringCraft — Guitar Synthesizer
StringCraft is a guitar synthesizer for individuals who learn differently, designed to remove traditional physical and sensory barriers to musical expression.
- Accessible controls — mouse/touch to pick strings or drag to strum chords; keyboard shortcuts (Spacebar, arrow keys, number keys) for rapid play
- Five built-in rhythmic patterns — including classic folk and Travis fingerpicking, no advanced dexterity required
- Autism-friendly sound controls — adjustable tempo (60–200 BPM), note sustain (0.5–4 sec), and a low-pass brightness filter for a warmer, less abrasive tone
BeatLab — Genre Library
Build beats and explore rhythm across musical genres in an accessible drum-machine interface.
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Track Foundry
Layer loops and sounds to build full music tracks right in the browser.
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Synth Keyboard
A playable, accessible synthesizer keyboard for exploring melody and sound.
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Violin
An accessible virtual violin for practicing notes, bowing, and simple melodies.
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Violin — Advanced Practice
An expanded virtual violin experience with additional pieces and practice modes.
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Imagine Ink
A digital drawing and illustration space for visual storytelling and creative expression.
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Beyond the Math, Language Arts, and Music & Art tools above, NELDC offers assessment and family-support resources for schools, homes, and homeschools.