How To Learn Multiplication Three Digit Number By Double Digit Number With Regrouping

Multiplication is the process of repeated addition. The result of multiplication is called product. For example: 3 x 5 = 5 + 5 +5 = 15 Multiplication is a commutative operation, that is, changing the order of the numbers does not affect the product. For example, 6 x 3 = 18 is the same with       3 x 6 = 18.   This How To Learn Multiplication Three Digit Number By Double Digit Number With Regrouping can used to learn for multiplication two digit number by double digit number too. Example:  428 x 37 =   Step 1:   Write the number in the vertical form by multiplying all three digits with the number of ones in the two digit number.       Step 2:   Multiply all the three digits with number of tens in the two digit number.       Step 3   Add the partial product to get the answer.     Use the distributive law of multiplication over addition to multiply 428 by 37. Think of 37 as 30 + 7 and multiply 428 by 7 and by 30. Then we may also do like this.   In mathematics, multiplication is one of four main operations in elementary arithmetic, and most people learn basic multiplication algorithms in elementary school. The inverse of multiplication is division.