Tool Library
74 interactive manipulatives across 15 categories
Time
3Fractions
6Fraction Strips Draggable horizontal fraction bars for comparing and finding equivalents
Fraction Circles Pie/circle fraction model with draggable sector pieces
Fraction Bars Adjustable numerator/denominator fraction model
Decimal Strips Fraction strips labeled with decimal values
Percentage Strips Fraction strips labeled with percentage values
Equivalent Fractions Side-by-side fraction comparison with equivalence check
Number Line
5Number Line Scrollable number line with colored markers
Number Line Bars Colored bars that snap to number line for addition
Number Line Draw Open number line for drawing jump arcs and annotations
Number Path Numbered boxes sequence for K-1 counting
Beaded Number Line Alternating red/white bead string for subitizing
Counters
10Counter Whiteboard Grid paper workspace with red/yellow two-color counters
Five Frame 1×5 grid frame with two-color counters
Ten Frame 2×5 grid frame — core K-2 number sense tool
Double Ten Frame Two stacked ten frames for numbers 10-20
Counter Paint Grid painting with auto-count by color
Bear Counters Colorful teddy bear counters for sorting and counting
Linking Cubes Snap-together colored cubes that form chains
Marble Jar Physics-based marble jar for estimation and probability
Number Bonds Part-whole circle diagram for addition/subtraction
Part-Part-Whole Bar model showing parts and whole with draggable divider
Number Charts
3Place Value
6Base Ten Blocks Drag ones, tens, hundreds, thousands blocks with break/group
Place Value Chart Column chart from millions to thousandths
Place Value Disks Labeled value disks (1, 10, 100, 1000) for abstract modeling
Place Value Disks Decimals Value disks extended to decimal places
Place Value Cards Stackable cards showing expanded form
Place Value Mat Configurable column work mat for organizing manipulatives
Calculator
5Geometry
10Geoboard Virtual pin board with rubber bands for shapes
Pattern Blocks Six geometric shapes with rotation and physics
Pattern Blocks Grid Pattern blocks with triangular grid snapping
Tangram Classic 7-piece puzzle with rotation and flip
Area Grid painting to explore area by counting squares
Area & Perimeter Build shapes on grid, auto-calculate area and perimeter
Coordinate Graph Cartesian plane for plotting points, 1 or 4 quadrants
Protractor Movable, rotatable transparent protractor
Angle Adjustable rays to create and measure angles
Ruler Virtual inch/cm ruler for measurement
Probability
4Graph
2Number Tiles
3Money
2Literacy
4Feelings
7Feelings Cards Browsable emotion cards with face expressions
Feelings Wheel Concentric emotion wheel from basic to nuanced
Feelings Today Daily emotion check-in with icon selection
Fidget Spinner Virtual fidget spinner with speed meter
Popper Virtual Pop-it board with satisfying pop feedback
Popper Numbers 1-100 numbered Pop-it board
Popper Letters A-Z letter Pop-it board