#무료
Apps tagged “무료”
Explore 329 apps tagged “무료” that people built on Collabby by chatting. Run any of them, then remix to make it your own.
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Derivatives, Maxima and Minima
Derivatives, Maxima and Minima is an interactive calculus learning app about how the sign of a derivative describes a graph’s behavior.
Angles, Ratios and Patterns
Angles, Ratios and Patterns is an interactive elementary math learning app with three practice areas.
Coordinate Plane & Proportions
Coordinate Plane & Proportions is an interactive middle-school math app for exploring coordinates, quadrants, direct proportion, and inverse proportion.
Linear Inequalities & Number Lines
A middle-school learning playground for solving linear inequalities and representing their solution sets on a number line.
Algebra Tiles (Expanding & Factoring)
Algebra Tiles is an interactive middle-school math playground for visualizing how (x+a)(x+b) expands into x², x, and unit tiles.
Outcomes & Probability
Outcomes & Probability is an interactive middle-school math app for exploring counting principles and basic probability.
Solving Systems Graphically
Solving Systems Graphically is an interactive math app for learning how the intersection of two lines represents the solution to a system of linear equations.
Properties of Circles (Inscribed & Central Angles)
An interactive geometry learning app about circle theorems for middle school students.
Trig Ratios sin·cos·tan
An interactive trigonometry learning app for exploring how sin, cos, and tan change as the angle of a right triangle changes.
Quadratic Parabolas
Quadratic Parabolas is an interactive math learning app for exploring how the parameters of a quadratic function change its graph.
Fun with Integers
An interactive integer arithmetic practice app for middle school learners.
Equation Balance Scale
Equation Balance Scale is an interactive math practice app that teaches linear equations through a two-pan balance model.
Graphs of Linear Functions
Graphs of Linear Functions is an interactive middle-school math app for exploring equations in the form y = ax + b.
Flip & Rotate Shapes
Flip & Rotate Shapes is an interactive elementary math game for exploring transformations on a square grid.
GCD & LCM
GCD & LCM is an interactive elementary math app for exploring the greatest common factor and least common multiple of two numbers.
Circles and Pi
Circles and Pi is an interactive elementary math learning app about radius, diameter, circumference, and pi.
Division
A visual elementary math game for learning division with cookies.
Averages
Averages is an interactive elementary math activity that teaches the meaning of mean through bar charts.
Multiplication Arrays & Times Tables
Multiplication Arrays & Times Tables is an interactive elementary math app that shows multiplication through rows and columns of dots.
3D Building Blocks
3D Building Blocks is an interactive elementary math activity about stacking cubes and understanding solid shapes.
Decimal Place Value
Decimal Place Value is an interactive elementary math learning app that uses a 100-square grid to visualize tenths and hundredths.
Balance Scales and Equality
An interactive elementary math game that uses a balance scale to teach weight comparison, equality, and missing-number equations.
Bar Graphs
An interactive elementary math app for learning how to read and build bar graphs, pictographs, and line graphs.
Find Prime Numbers
Find Prime Numbers is an interactive elementary math app for discovering the 25 primes from 1 to 100.
Patterns and Probability
Patterns and Probability is an elementary math learning app with two interactive activities.
Area of Shapes
Area of Shapes is an interactive elementary math learning app about finding the area of rectangles, parallelograms, and triangles.
Symmetry in Shapes
Symmetry in Shapes is an interactive elementary math activity for exploring line and point symmetry on a grid.
Number Line Addition and Subtraction
Number Line Addition and Subtraction is an interactive math game where children move a frog along a number line to explore addition, subtraction, and negative numbers.
Telling Time
Telling Time is an interactive analog clock learning app for elementary students.
Place Value and Base Ten
Place Value and the Decimal System is an interactive elementary math game for building numbers with ones, tens, and hundreds blocks.
Reaction Time Test
Reaction Time Test is a fast-paced real-time reflex duel for two players. Wait for the screen to turn green, then tap as quickly as possible—tapping early loses the round.
Stroop Test
Stroop Test is a 60-second color-matching reflex game based on the Stroop effect.
Words Learned Today
Words Learned Today is a shared vocabulary progress board for groups studying the same word list.
Spell It Out
Spell It Out is a vocabulary practice game where learners read a word meaning and tap shuffled letter tiles in the correct order to build the answer.
Word Dictation
Write the Word is a vocabulary dictation practice app that shows a word meaning and asks you to type the matching word.
Choose the Meaning
Pick the Meaning is a four-choice vocabulary practice app for studying word lists, with a sample English vocabulary set included.
Word Cards
Word Cards is a flashcard study app for memorizing vocabulary, definitions, characters, or other paired terms.
Today’s Sales Log
Today's Sales is a simple point-of-sale tally board for recording daily item sales with a single tap.
Reservation Booking
Take Bookings is a simple online reservation board for small businesses such as hair salons, workshops, and solo operators.
Stamp Coupon
A browser-based digital stamp coupon for cafés, shops, and small businesses.
Cost & Margin Calculator
Cost and Margin Calculator helps makers, freelancers, and small business owners work out a suggested selling price from ingredient costs, labor time, hourly rate, fees, and…
QR Menu
QR Menu Board is a customizable digital menu for cafés, restaurants, and small businesses.
Our Story Slides
Our Story in Slides is a collaborative memory slideshow for celebrations and milestone gatherings.
Our Timeline
Our Timeline is a collaborative memory board for collecting events from different people into one chronological record.
Main Character Quiz
How Well Do You Know Them is a party quiz about one featured person.
Count Special Days
Days We Count is a shared anniversary and important-date board for keeping birthdays, wedding anniversaries, first meetings, moving days, and other meaningful occasions in one…
Our Awards
Our Awards Night is a shared voting app for celebrating people at the end of the year or during a team event.
Anonymous Poll
Anonymous Poll is a lightweight voting board for collecting opinions without names.
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