Otter Tools

No downloads. No accounts. Just open and practice. All tools run right in your browser.

🕐 Clock & Time

from Clock Master

🕐

Clock Lessons

Interactive analog clock — learn hours, half past, quarter, and minutes step by step.

Learn Free →

🧮 Math Practice

from Math Tank

✖️

Multiplication Practice

Study tables 2×–20×, then drill with typed answers. No timer, no pressure.

Practice Free → ➗

Division Practice

Study division tables ÷2–÷20, then practice. Clean division, no remainders.

Practice Free → 📊

Column Multiplication

Two-digit × two-digit using partial products. Step-by-step column method.

Practice Free → 📐

Long Division

Bracket division with remainders. Find quotient digits step by step.

Practice Free →

📚 More Learning

Extras

📋

Multiplication Table

Interactive 12×12 times table with highlighting. Study any table from 1× to 12×.

View Table → ⚡

Math Speed Quiz

30-second timed challenge. Easy, Medium, and Hard modes. Beat your high score!

Start Quiz → 🐝

Spelling Bee

Listen to a word, then spell it. Three difficulty levels with voice guidance.

Practice Free → 🔢

Kid Calculator

A simple, colorful calculator. Perfect for checking homework or exploring numbers.

Open Calculator →