Mr. Janak's Math
Welcome to Mr. Janak's Math!
Master math concepts with easy-to-understand lessons and interactive examples. Let's make learning fun!
Explore Our Lessons
Divisibility Rules
Quickly check if numbers can be divided evenly.
Learn the tricks to determine divisibility by numbers like 2, 3, 5, 9, and 10 without doing long division.
Start LessonPrime Numbers
Discover the building blocks of all numbers.
Understand what makes a number prime and practice identifying them using factor analysis.
Start Lesson3-Digit by 2-Digit Multiplication
Coming Soon
Master the standard algorithm for multiplication.
Break down the process of multiplying larger numbers into simple, manageable steps.
Adding & Subtracting Fractions
Coming Soon
Combine fractions with different denominators.
Learn the steps to find a common denominator and correctly add or subtract fractions.