Math Tools

Pizza Theorem Explorer

Scribble-style educational infographic showing an interactive pizza-cutting activity with eight numbered slices.

Use this Pizza Theorem explorer to divide a circular pizza with equally spaced cuts. Move the common cutting point, choose 4, 8, 12, 16, or more slices, and compare Person-1’s odd-numbered slices with Person-2’s even-numbered slices. How to use the Pizza Theorem explorer The tool shows a circular pizza cut by straight lines that all … Read more

Decimal to Binary Converter

Scribble-style Genius Littles infographic showing a decimal to binary converter, with the example 42 converted to 101010, step-by-step division by 2, binary digit explanations, and a kid-friendly computer illustration explaining why computers use 0s and 1s.

Use this decimal to binary converter to convert base 10 numbers into binary and see the step-by-step division method. You can also convert between binary, decimal, octal, hexadecimal, and other bases. How to use the decimal to binary converter 1 Enter a decimal number Type a whole base 10 number, such as 42, 64, 100, … Read more

Logic Gates Simulator

Scribble-style educational infographic explaining an AND logic gate, with binary inputs A and B, the Boolean expression \(Y = A \cdot B\), switch controls, output state, and a truth table showing that the output is 1 only when both inputs are 1.

Use this interactive logic gates simulator to test binary inputs, compare outputs, and see the matching boolean expression and truth table for each gate. How to use the logic gates simulator 1 Choose a gate Select AND, OR, NOT, NAND, NOR, XOR, or XNOR. The circuit rule changes instantly. 2 Switch inputs Turn input A … Read more

Area Calculator

Scribble-style layout of Area Calculator showing how to calculate the area of a trapezoid, with labeled top base, bottom base, height and a worked example giving an area of 28 cm².

Use this multi-shape area calculator to find the area of a square, rectangle, triangle, circle, semicircle, parallelogram, trapezoid, or ellipse. Each answer includes a diagram, formula, square units, and step-by-step calculation. How to use the area calculator 1 Choose a shape Select square, rectangle, triangle, circle, semicircle, parallelogram, trapezoid, or ellipse. 2 Enter measurements The … Read more

Multi-Shape Volume Calculator

Multi-shape volume calculator showing shape selector formula diagram and cubic unit result

Use this multi-shape volume calculator to find the volume of a cube, cuboid, cylinder, cone, sphere, or hemisphere. Each answer includes a diagram, formula, cubic units, and step-by-step calculation. How to use the volume calculator 1 Choose a shape Select cube, cuboid, cylinder, cone, sphere, or hemisphere. 2 Enter measurements The input fields change automatically … Read more

Spherical Coordinates Interactive Tool

Hand-drawn scribble-style feature image of a spherical coordinates explorer showing a 3D coordinate diagram with point P, rho distance, theta angle, phi angle, and xy shadow. The interface includes sliders for rho, theta, and phi, Cartesian conversion formulas, coordinate result cards, unit options, and preset buttons for moving the point.

Explore spherical coordinates with an interactive 3D-style diagram. Drag point P, compare spherical and Cartesian coordinates, and learn how rho (ρ), theta (θ), and phi (φ) describe a point in space. How to use the spherical coordinates interactive tool This activity extends the idea of polar coordinates into 3D space. Instead of only radius and … Read more

Polar Coordinate Interactive Tool and Converter

Hand-drawn scribble-style feature image of an interactive polar coordinates tool, showing a circular polar graph with a blue radius line pointing to an orange point P at 45 degrees. On the right, sketch-style panels display the radius, angle, polar coordinates, Cartesian coordinates, and conversion formulas in a clean educational layout.

Explore polar coordinates by moving a point around a circular grid. See how radius and angle describe its position, connect polar coordinates to x- and y-coordinates, and practice conversions with worked steps. How to use the polar coordinate interactive tool The activity combines a movable point with a coordinate converter. Start on the graph, then … Read more

Interactive Cartesian Coordinate Plane

Interactive Cartesian coordinate plane showing points A and B with slope, midpoint, distance, and line equation results.

Explore the Cartesian coordinate plane by moving two points on the graph. The interactive tool calculates the slope, midpoint, distance, and equation of the line in real time, helping learners connect each formula to a visual result. How to use the Cartesian coordinate tool Start with points A and B on the coordinate plane. Every … Read more