SaiBook.us Multiplication

Example

Title: Multiplications

Grade: 3-a Lesson: S4-L8

Explanation: The best way to understand multiplications is by looking at some examples. Take turns and read each example for easy understanding.

Examples:

Step: 1a

Multiply 141 by 10.

Arrange the numbers vertically.
Multiply 0 by each digit of 141:
Start by multiplying 0 by 1, which gives us 0 (0 x 1 = 0). We write 0 in the one’s column.
Then, we multiply 0 by 4(0 x 4 = 0) and write 0 in the tens place.
Finally, we multiply 0 by 1 (0 x 1 = 0) and write 0 in the hundreds column.
Thus, our final answer is 000.

$1a$

Explanation: In this step, arrange the numbers according to their places. Multiplying 0 by each digit of 141 gives 000 as the answer.

Step: 1b

Now, we will place a zero (0) under the first partial product, that is, before writing the second partial product in the next line

$1b$

Explanation: In this step, before writing the second partial product in the next line, we will place a zero(0) under the first partial product.

Step: 1c

Multiply 1 by each digit of 141:
Start by multiplying 1 by 1, which gives us 1 (1 x 1 = 1). Write 1 in the one’s column.
Then, we multiply 1 by 4 (1 x 4 = 4) and write 4 in the tens place.
Finally, we multiply 1 by 1(1 x 1 = 1) and write 1 in the hundreds column.
Thus, our final answer is 1410.

$1c$

Explanation: Multiply 1 by each digit of 141: 1 in one’s place. 4 in the tens place. 1 in the hundreds place. Final answer: 1410.