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Lesson Topics Discussion Quiz: Class Homework

Example1

Title: Multiplication

Grade 4+ Lesson s3-l2

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

Examples

Topics → Definition Example1

Multiply 123 by 3.

Step: 1

Arrange the numbers vertically.
First, multiply the digit at the one’s place by 3, i.e., 3 x 3 = 9.
Write 9 in the ones column.

$1a$

Explanation:

In this step, multiply the digit in the ones place by 3. For instance, if the digit is 3, multiply it by 3, resulting in 9. Write down 9 in the ones column.

Step: 2

Next, multiply the digit in the tens place by 2, i.e., 2 × 3 = 2
So, 6 in the ten’s place.

$2a$

Explanation:

When 3 is multiplied by 2, we get 6. Write 6 in the tens column.

Step: 3

Now multiply the digit in the hundreds’ place by 3
1 × 3 = 3
Write 3 in the hundreds’ place.

Thus, the product of 123 and 3 is 369.

$3a$

Explanation:

In this step, finally, multiply 3 by the digit in the hundreds place, i.e., 1 x 3 = 3, and write 3 in the hundreds place. Hence, 123 x 3 = 369.