The teacher
toolbox.
Prepare groups, explore numbers and organise classroom documents.
14 useful places to start.
Names and classroom data stay in this browser when you use these tools.
Interactive function plotter
Graph up to three expressions, zoom the viewport and inspect values along the X axis.
Interactive pendulum simulation
Change a pendulum’s length, gravity and damping, then watch its motion and angle trace.
Name wheel spinner
Add names, spin a colourful wheel and reveal a random winner with a little suspense.
Assignment grade calculator
Combine assignment marks with optional weights and different maximum scores.
Custom grade boundary checker
Map a percentage to a grading scale that you define.
Classroom group size planner
Split a class into groups with a maximum size or a chosen group count.
Random group generator
Shuffle a list into balanced groups.
Random list picker
Choose items from a list without picking the same line twice.
Percentage calculator
Discounts, increases and everyday percentage puzzles.
Weighted average
Calculate an average with a different weight for each value.
Fraction calculator
Add, subtract, multiply or divide exact fractions.
Merge PDFs
Combine PDF files in the order you choose, entirely on your device.
Split PDF into pages
Download each PDF page as a separate file in one ZIP.
QR code generator
Create a downloadable QR code for a link or short text.
A few things you
can tick off.
- Split a class into random groups
- Calculate a weighted average
- Make a QR code for a resource