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Lesson Topics Discussion Quiz: Class Homework

Example1

Title: Multiplication

Grade 4+ Lesson s3-l3

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 142 by 4.

Step: 1

Arrange the numbers vertically.
First, multiply the digit at the one’s place by 4, i.e., 4 x 2 = 8.
Write 8 in the ones column.

$1a$

Explanation:

In this step, multiply the digit in the ones place by 4. For instance, if the digit is 2, multiply it by 4, resulting in 8. Write down 8 in the ones column.

Step: 2

Next, multiply the digit in the tens place by 4, i.e., 4 × 4 = 16
Write down 6 in the tens column and carry over 1 to the hundreds column.

$2a$

Explanation:

In this step, 4 is multiplied by 4, which gives us 16. Write 6 in the tens column and carry 1 to the hundreds column.

Step: 3

Now multiply the digit in the hundreds’ place by 4, i.e., 1 × 4 = 4
Add carry 1 to 4, we get 5. Write 5 in the hundreds’ place.

Thus, the product of 142 and 4 is 568.

$3a$

Explanation:

In this step, multiply 4 by the hundreds digit, which is 1: 1 x 4 = 4. Then, add 1 to 4 to get 5. Write 5 in the hundreds place, so 142 x 4 = 568.