Free Classroom Tools for Teachers

Engage students, manage activities, and save time with simple, interactive tools built for educators.

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All Classroom Tools

  • Wheel of Names

    Random student picker with a spinning wheel. Upload class lists, track selections, and keep every student engaged and ready to participate.

  • Digital Popsicle Sticks

    Pull a digital popsicle stick to randomly select students. Save class lists, realistic animation, and a pop-out window for multitasking.

  • Classroom Timer

    Full-screen countdown timer for activities, transitions, and tests. Preset durations, sound alerts, and works on any device.

  • Station Rotation Board

    Visual rotation system for literacy centers, math stations, and group activities. One-click rotation, timers, and full-screen display.

  • Group Maker

    Create balanced student groups for projects and activities. Save class lists, exclude absent students, drag to rearrange, and project on the board.

  • Class Duties Manager

    Digital job chart that auto-rotates student responsibilities. Display on your projector so students always know their classroom duties.

  • Word Search Creator

    Create custom word search puzzles from your vocabulary lists or any topic. AI-powered word generation, printable PDFs, and shareable links for students.

  • Crossword Generator

    Build crossword puzzles with AI-generated clues. Scan documents to extract vocabulary, share via QR code, and let students solve on any device.

  • ClassTiles — Phonics Tile Boards

    Interactive tile boards for phonics, vocabulary, maths, and ESL. Students tap to hear words and flip to reveal answers. Share via QR code — no student login needed.

  • Interactive Hundreds Board

    Free interactive number chart (1-1000) with coloring, skip counting patterns, mystery number challenges, and printable worksheets.

  • Virtual Whiteboard

    Interactive whiteboard with built-in math manipulatives — number frames, fraction tools, clocks, number lines, and place value blocks.

  • Venn Diagram Maker

    Create 2-circle or 3-circle Venn diagrams with drag-and-drop entries. Project on the board, save for later, and export as an image.

  • Graph Builder

    Create bar charts, pie charts, and line graphs with your students. Enter data together, customize colors, and project for whole-class analysis.

  • Brainstorming Tool

    Capture student ideas in colorful clouds. Organize thoughts visually, use color-coded categories, and save sessions for next lesson.

  • Goal Tracker

    Visual progress tracking with race-track visuals. Track reading challenges, fitness goals, and behavior milestones. Confetti celebrations and shareable QR codes.

  • Classroom Check-In

    Run quick polls, mood check-ins with Zones of Regulation, and interactive attendance. Students respond via QR code — no accounts needed.

  • Event Sign-In Sheet

    Digital sign-in sheet for parent meetings, open houses, and school events. Collect contact details on tablets and export to CSV with one click.

  • Basic Facts Practice

    Timed maths drills for addition, subtraction, multiplication, and division. Students scan a QR code, complete the drill on any device, and results go straight to the teacher.

Interactive Hundreds Board — Free Number Chart for Teachers (1–1000)

The hundreds board is one of the most versatile manipulatives in primary mathematics. It provides a visual framework for understanding place value, number patterns, odd and even numbers, skip counting, multiples, and the structure of the number system. JuicyTools' free Interactive Hundreds Board brings this classic manipulative into the digital classroom with coloring, hiding, auto-highlighting, mystery number challenges, and printable worksheet output — all in a browser with no installation required.

Unlike paper hundreds charts, the digital version can be reused endlessly, shared with a link so students can access it at home, and extended to show number ranges up to 1000 for more advanced work. Teachers project it on the classroom screen and interact with it live, or set students up with their own copy on individual devices for independent exploration.

Key Features

How Teachers Use the Interactive Hundreds Board

Skip counting exploration is a favourite whole-class activity. The teacher asks students to predict where the 3s will land, then switches on the skip counting highlight to reveal the diagonal staircase pattern. Students see immediately that 3, 6, 9, 12... creates a recognisable visual — a pattern that is far more memorable than a list of numbers. The same exploration for 2s, 5s, and 10s builds the foundation for multiplication understanding in Years 1 and 2.

Hiding numbers transforms the hundreds board into an assessment tool. The teacher hides all numbers and points to a specific square, asking the class "What number is hiding here?" Students who understand place value and the structure of the chart can answer quickly; those who are still developing the concept need to count up from a known number. This reveals thinking in a low-stakes, no-hands-up way that reaches every student.

The Mystery Number Challenge mode provides differentiated practice. Students are given clues about a hidden number — "It is between 40 and 60. It is even. It is a multiple of 6." — and must identify the number using the board as a reference. Multiple difficulty levels mean the same activity can stretch from Year 1 up to Year 4, with harder clues requiring knowledge of factors, multiples, and prime numbers.

Printing a partially completed chart as a worksheet — with some numbers hidden — is a quick and customisable alternative to photocopied workbooks. The teacher designs the pattern of hidden numbers to match exactly what the class is working on that week.

Frequently Asked Questions

Is the Hundreds Board free?
Yes. The interactive hundreds board is completely free, including all coloring, hiding, skip counting, and challenge features. No account is required to use it.
Can the board go beyond 100?
Yes. The board supports number ranges up to 1000, making it suitable for upper primary students working with larger number patterns and place value beyond hundreds.
Can I share the board with students for home practice?
Yes. Any configured board state — colours, hidden numbers, skip counting highlights — can be shared via a permanent link or QR code. Students open it at home on any device and continue where the class left off.
Can I print the hundreds board as a worksheet?
Yes. Use the print function to output the current state of the board as a clean, printer-friendly worksheet — with whichever numbers you have chosen to hide or colour.