Gallery
Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.
Prism & Pyramid Net Playground
Change the base shapes to explore 3D prisms and pyramids alongside their nets, count faces, vertices, and edges, and take on fun shape challenges!
Cylinder Volume Playground
Adjust the radius to find the base area (3.14×r×r), stack it up to the height, and challenge yourself to guess the cylinder's volume!
Fraction Division Playground
Explore division with bar models, learn the 'flip and multiply' rule, and master fraction division through fun quotient-guessing challenges!
Bar & Pie Chart Playground
Compare the same data using strip and pie charts, see how percentages change when you adjust items, and play challenges to guess the right %!
Platonic Solids Playground
Explore the 5 Platonic solids! Count faces, vertices, and edges, discover Euler's formula V-E+F=2, and play fun shape-counting challenges.
Function Machine Playground
Put ○ into the rule box to get △=○×a+b! Explore real-life math relationships using tables, formulas, and fun number-matching challenges.
Possibility Playground
Explore combinations! Mix and match outfits for a×b, arrange number cards for n×(n-1), and solve fun counting challenges.
Order of Operations Playground
Watch equations shrink step-by-step! Master parentheses first, then multiplication and division, and challenge yourself to solve mixed expressions.
Simplifying & Simplest Fractions Playground
Simplify fractions using bars and common factors (÷2, ÷3, ÷5), find the simplest form instantly with the GCF, and master it with a fun divisor-guessing challenge!
Weight & Capacity Playground
Explore weight and capacity with 1kg, 100g, 1L, and 100mL blocks, discover that 1kg=1000g and 1L=1000mL, and master unit conversions through fun challenges!
Mixed & Improper Fractions Playground
Convert improper and mixed fractions with pizza slices (7/3 = 2 1/3) and master them through fun challenges!
Time Math Playground
Learn time math with two analog clocks! See how start time, elapsed time, and end time connect, and try the fun quiz challenges.
Polygon Angle Playground
Explore how polygon angles add up to 180°×(n-2) by splitting them into triangles, find angles of regular polygons, and try the quiz challenge!
Estimation Playground
Move numbers on a line to learn rounding up, down, and off with bus and bag examples, and test your skills with estimation challenges!
Ratio & Proportion Playground
Mix blue and yellow to explore the ratio a:b, find equivalent ratios by multiplying, and solve fun fill-in-the-blank challenges!
Percentage Playground
Color 100 squares to see %, fractions, and decimals, use bar models to visualize discounts, and tackle fun challenges to master percentages!
Array Multiplication
Arrange dots in rows and columns to learn multiplication, see how repeated addition works, and rotate the grid to discover that the total stays the same!
Bar Models
Draw numbers as bars to learn part-whole and differences, and solve fun word problems to find the missing ?!
Ten Frames
Fill the 10-frame with dots to count, learn "how many more to 10", and easily add 8+5 by making 10 first (10+3) with fun counting and complement challenges!