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Learning & Reference
313 appsLearning & Reference: Reading & Words
Text · CheckGrade 4 Writing CheckerCheck if your sentences and word choices are friendly for a typical fourth-grade reader.Text · CheckKids Readability CheckerSee how easy your writing is to read and spot words that may slow a young reader down.Text · GenerateReading Choice Quiz Maker for KidsTurn a short reading passage into a path with answers, clues, and feedback.Text · CheckSimple Word CheckerCheck whether a word is on the list of words most fourth graders know.Text · CheckTricky Word FinderFind the less familiar words in a story, lesson, or note so you know what to explain.
Learning & Reference: Early Reading
Text · CheckAlphabet Flipbook Maker for KidsPick a starting letter and turn through six big letter-and-word pages.Text · CheckEarly Reader CheckerCheck a short passage against familiar words used by children who are learning to read.Text · GenerateEasy Sentence BuilderBuild short practice sentences from familiar early-reader words.Text · CheckFirst Reader Word CheckerCheck one word at a time to see if many beginning readers may know it.Text · GenerateReading Practice MakerTurn a few familiar words into quick read, find, and write practice cards.
Learning & Reference: Vocabulary & Words
Word data · CheckDictionary Teamwork Explorer for KidsSee how volunteer editors and contributors worked together on a word.Word data · CheckFriendly Dictionary for KidsLook up a familiar word and read clear meanings, examples, and close words together.Word data · CheckHuman-Edited Word Meanings for KidsOpen up one word and see the different ideas that can share its spelling.Word data · CheckKid ThesaurusFind familiar words connected to your idea without ads, accounts, or tricky definitions.Word data · CheckMultiple Word Meaning Finder for KidsSee how one spelling can have several meanings, like bat, spring, or play.Word data · CheckOpposite Word Finder for KidsFind an opposite word and see the exact meaning that makes the pair work.Word data · CheckParts of a Thing Explorer for KidsLook inside a thing and name the smaller pieces that help make it whole.Word data · CheckPoetry Word Bank for KidsMake short, medium, and long word lists around one idea for your next poem.Word data · CheckSimple Word Swap Finder for KidsTurn a long word into shorter choices that may be easier to read and explain.Word data · CheckSimple WordNet Dictionary for KidsLook up a familiar word and see its meanings, examples, and close words in one clear place.Word data · CheckSpecific Word Kinds Explorer for KidsStart with a broad group and discover more exact kinds inside it.Word data · CheckStronger Word Finder for KidsFind longer, more colorful word choices for stories, poems, and school writing.Word data · CheckSynonym by Meaning Finder for KidsRead the meaning first, then pick a close word that says the same idea.Word data · CheckSynonyms by Definition for KidsRead one definition, then find close words that match that exact idea.Word data · CheckVocabulary Flipbook Maker for KidsAdd six words and make a page-turning book with simple meanings or drawing prompts.Word data · CheckVocabulary Ladder Maker for KidsFollow a playful chain where every new word connects to the word before it.Word data · CheckWhole and Part Word Explorer for KidsStart with one part and find a larger whole that may contain it.Word data · CheckWord Category Ladder for KidsClimb from one exact word to the bigger groups it belongs to.Word data · CheckWord Example Sentence Finder for KidsFind real example sentences and see the meaning connected to each one.Word data · CheckWord Meaning Count Comparer for KidsPut two words side by side and compare their meanings, jobs, and examples.Word data · CheckWord Relationship Map for KidsPut one word in the middle and explore its groups, kinds, parts, and close words.Word data · CheckWord Web Maker for KidsPut one word in the middle and build a clear web of connected ideas around it.
Learning & Reference: Phonics & Rhymes
Word data · CheckAlliteration Word Finder for KidsFind familiar words that begin with the same sound for silly sentences and poems.Word data · CheckFirst and Last Sound Finder for KidsSlow a word down and see the speech sound at its beginning and at its end.Word data · CheckHomophone Finder for KidsFind familiar words that sound the same but may have a different spelling or meaning.Word data · CheckPoetry Meter Checker for KidsTurn one short poetry line into a clear pattern of strong and soft syllable beats.Word data · CheckPronunciation Decoder for KidsTurn dictionary sound codes into short, friendly chunks you can read from left to right.Word data · CheckRhyme Finder for KidsFind familiar words with the same ending sounds for poems, songs, and word games.Word data · CheckRhyming Pair Checker for KidsCheck two words and learn whether their last strong vowel and ending sounds match.Word data · CheckSyllable Clapping PracticeType one word and get a big clap marker for every vowel beat you should hear.Word data · CheckSyllable Counter for KidsCount the vowel beats in a short sentence and see the count for every word.Word data · CheckWord Stress Finder for KidsSee which syllables have a strong beat and which syllables have a softer beat.
Learning & Reference: Math Learning
Number · CheckCombination Counter for KidsFind how many different groups you can choose when the order does not matter.Number · CheckFactorial Explorer for KidsSee how a factorial multiplies a whole number by every smaller positive number.Number · CheckFraction Simplifier for KidsReduce a fraction to its simplest form and see the number used to divide it.Number · CheckGoldbach Prime Pairs ExplorerSplit an even number into two prime numbers and discover a famous math pattern.Number · CheckGreatest Common Factor Finder for KidsFind the biggest whole number that divides two numbers with nothing left over.Number · CheckLeast Common Multiple Finder for KidsFind the first positive number that two whole numbers both divide evenly.Number · CheckMean, Median, and Mode for KidsCheck a short number list and see its mean, median, mode, and range together.Number · CheckNumber to Words for KidsTurn a number into clear English words for homework, checks, and reading practice.Number · CheckPrime Factor Tree MakerBreak a number into the small prime numbers that multiply to make it.Number · CheckPrime Number Checker for KidsCheck whether a whole number is prime and see every factor that divides it evenly.
Learning & Reference: Math Writing
LaTeX · GenerateEquation Editor for KidsType fractions, roots, powers, and full equations with a friendly math keyboard.LaTeX · GenerateFraction Builder for KidsBuild neat stacked fractions and combine them with plus, minus, and times signs.LaTeX · GenerateMath Symbol Keyboard for KidsFind and type common math symbols without hunting through a computer keyboard.LaTeX · GeneratePrintable Equation Sheet MakerType a clean math problem, add a title, and print a simple practice page.
Learning & Reference: Handwriting Practice
Printable · GenerateHandwriting Practice Sheet MakerType a short sentence and print lined rows for tracing and copying practice.Art · GenerateHandwriting Stroke Animator for KidsWatch simple capital A, M, and S strokes draw in a helpful order for practice.Printable · GenerateName Tracing Sheet MakerType a name and make a simple practice page with large, easy-to-trace letters.
Learning & Reference: Music Learning
Audio · GenerateArpeggio Direction Explorer for KidsCompare an arpeggio that climbs, falls, or makes wide jumps.Audio · GenerateArpeggio Pattern Player for KidsBreak a chord into single notes and compare playful note patterns.Audio · GenerateCall-and-Response Melody Maker for KidsHear four call notes, then make four notes that answer them.Audio · GenerateChord Strum Explorer for KidsHear one chord from low to high, high to low, or all together.Audio · GenerateEasy Melody PracticeFollow a short row of notes and practice a tiny song at your own speed.Audio · GenerateInstrument Family Sampler for KidsHear keys, strings, brass, and woodwinds side by side with big sound cards.Audio · GenerateInstrument Range Explorer for KidsChoose an instrument and hear three notes across its useful pitch range.Audio · GenerateMajor and Minor Chord Listener for KidsPick a starting note and hear how major and minor chords differ.Audio · GenerateMajor Scale Piano Step Trainer for KidsPlay C, G, or F major one correct step at a time on the touch piano.Audio · GenerateMelody Pitch Transposer for KidsShift every note in a local melody by the same amount while its rhythm stays steady.Audio · GenerateNote Length Listener for KidsHear the same sampled instrument play a short, medium, and long note.Audio · GenerateOctave Pitch Shift Explorer for KidsHear exactly what one octave down, one octave up, and a wide jump sound like.Audio · GeneratePiano Chord Shape Trainer for KidsBuild clear major and minor chord shapes by finding all three piano notes.Audio · GeneratePiano Note Frequency FinderTap any piano key to see its note name and frequency in hertz.Audio · GeneratePiano Note Name Practice for KidsSee a note name like C4 or F sharp, then find it on the touch piano.Audio · GeneratePitch Up-or-Down Listener for KidsHear an original and changed sound take turns, then listen for the direction.Audio · GenerateSemitone Pitch Step Explorer for KidsMove a sound one, three, or five keyboard steps and see its exact pitch factor.Audio · GenerateSight-Reading Piano Practice for KidsLook at one clear staff note, then find and play it on the piano.Audio · GenerateSoft and Loud Instrument Listener for KidsCompare one instrument played softly, in the middle, and strongly.
Learning & Reference: Science Labs
Simulation · GenerateBall Drop Physics LabDrop bright balls onto ramps and see how gravity guides every roll and bounce.SVG · GenerateCommon Molecule Explorer for KidsExplore the shapes behind caffeine, sugar, aspirin, vitamin C, and more.SVG · GenerateMolecular Formula FinderDraw a molecule from SMILES and find its molecular formula in one clear step.SVG · GenerateMolecule Coloring Page MakerMake a clean black-and-white molecule picture to print, trace, or color.SVG · GenerateMolecule Structure DrawerTurn a short chemistry code into a clear picture of atoms and bonds.
Learning & Reference: Feelings & Emoji
Emoji · GenerateEmoji Check-In MakerMake a simple set of emoji choices for a classroom, family, or team check-in.Emoji · CheckEmoji Mood MeterChoose an emoji and see whether it usually feels sunny, mixed, or tough.Emoji · ViewFeelings Emoji SorterSort emoji into sunny, mixed, and tough feeling groups.
Learning & Reference: Emoji Word Play
Learning & Reference: Citations & Research
Learning & Reference: Culture & Dates
Reference · ConvertChinese Lunar Date ConverterTurn a Gregorian date into its Chinese lunar date, zodiac year, and solar term.Reference · ViewChinese Zodiac FinderFind the Chinese zodiac animal and traditional year name for any birthday.Reference · CalculatePrayer Times CalculatorCalculate daily Islamic prayer times from a date, location, and trusted calculation method.Reference · ViewQibla Direction FinderFind the compass direction toward the Kaaba from any latitude and longitude.
Learning & Reference: Sky & Science
Astronomy · CalculateEquinox & Solstice CalculatorFind the exact equinox and solstice times that mark the four astronomical seasons.Astronomy · CalculateMoon Phase FinderSee the Moon's phase, illumination, and the next four quarter phases for any date.Astronomy · CalculateNext Eclipse FinderFind the next solar and lunar eclipses after any date with their type and peak time.