Choose a topic

Practice mode

Pick the technique you're working on today.

Addition

Left to Right Addition

Rapid Addition Methods

Columnar Addition

Subtraction

Subtractions

All from 9 and Last from 10 Sutra

Multiplication

Using the Below the Base Method

Using the Above the Base Method

Using the Base Method (Above and Below) + Multiples

Using Vertically & Crosswise Method

Finger Multiplications: Tables on Your Fingers

Multiplication with 11 to 19

Left to Right Multiplications: 2 and 3 Digits

Mental Multiplication Methods

Division

Division by the Flag Method

Division with 3 Digit Divisors by the Flag Method

Digit Sums

Fractions

Decimals

Decimals: Addition and Subtraction

Decimals: Multiplication and Division

Recurring Decimals

Percentages

Percentage Increase or Decrease

Auxiliary Fractions

Conversions: Fractions to Decimals to Percentages

Squares

Special Squaring Methods

Squares by Duplex

Cubes

Raising to Fourth and Higher Powers

Square Roots

Square Roots of Perfect Squares | Any Number

Cube Roots of Perfect Cubes

Bar Numbers

Divisibility

Divisibility: The Positive Osculator

Divisibility: The Negative Osculator

Algebra

Highest Common Factor

Linear Equations

Various Types of Linear Equations

Simultaneous Equations

Quadratic Equations

Quadratic Equations - Reciprocals