What is multiplication — lesson. Mathematics State Board, Class 7.

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Multiplication:

We know that addition is an increasing quantity and subtraction is an inverse of addition that is decreasing quantity, but what about multiplication?

Remember that multiplication is a continuous addition.

For example, if we multiply

$2 × 4$ we get

$8$ , but how we get it?

We received

$8$ in answer by continues addition of

$2$ by

$4$ times.

That is

$2 + 2 + 2 + 2 = 8$ .

Therefore now you understood that multiplication is nothing but a continuous addition.

Now we will how to multiply the number using a number line.

Multiplication on number line:

Now let's see the multiplication of any two whole number on a number line.

Assume that we have to find

$3 \times 4$ .

We can find this using the following steps:

1. We should start from

$0$ , then move

$3$ units at a time to the right side of the number line.

2. Then make such

$4$ moves, because the multiplier is

$4$ then we will reach

$12$ .

Therefore we get

$3 × 4 = 12$ .

Applying this method, we can easily find the value of the multiplication of two number.

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1. What is multiplication