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Indian-style calculation method

TOP/Collection of Applied Calculation Problems/Indian-style calculation method
ライブラリ名概要
Indian-style squares (numbers ending in 5)You can easily calculate the square of any number ending in 5. Train your brain with Indian-style mental arithmetic.
Indian-Style Subtraction (With Borrowing)You can easily calculate subtraction problems involving borrowing. Train your brain with the Indian method of mental arithmetic.
Indian-Style Multiplication (Numbers in Tens)You can easily multiply two numbers in the tens (two-digit numbers less than 20). Train your brain with the Indian method of mental arithmetic.
Indian-style multiplication (numbers in the 20s to 90s)You can easily calculate the product of numbers between 20 and 90. Train your brain with Indian-style mental arithmetic.
Indian-Style Multiplication (Multiplying 9 by 9)9… Let's calculate the product of 9 and 9 using two's complements. Let's train our brains with the Indian method of mental arithmetic.
Indian-style multiplication (base 100)You can easily calculate multiplication by using the difference from the baseline value (100). Let’s train your brain with Indian-style mental arithmetic.
Indian-style multiplication (range: 200–900)You can easily calculate multiplication by comparing the result to a reference range (200–900). Train your brain with Indian-style mental arithmetic.
Indian-style multiplication (using squares)You can easily calculate multiplication using the same method as finding the area of a rectangle. Let’s train your brain with Indian-style mental arithmetic.
Indian-style multiplication (using a line)Drawing lines makes it easier to calculate multiplication. Train your brain with the Indian method of mental arithmetic.
Indian-style multiplication (long division)In India, students do simple multiplication problems mentally. Let’s train our brains with Indian-style mental arithmetic.
Indian-style division (dividing by 9)You can easily calculate division by 9 using addition. Let’s train your brain with Indian-style mental arithmetic.