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## Skills Building

Today, we're going to learn a very simple strategy for multiplying 2, 4 and 8.

As you know, multiplying by 2 is really easy right?

We have to add the number to itself and we will get the answer.

1 x 2 = 2 1 + 1 = 2

2 x 2 = 4 2 + 2 = 4

4 x 2 = 8 4 + 4 = 8

8 x 2 = 16 8 + 8 =16

We've doubled these numbers.

When we multiply a number by 4, we get same result as if we multiplied the number by 2 twice.

6 x 4 = 24

If we're doing this by 2, it looks like this:

6 x 2 = 12

12 x 2 = 24

Do you notice that if we multiply a number by 2, then we multiply the result by 2, we get the same result as if we times it by four?

Guess what? In our strategy that we used for multiplying by four also works for multiplying by 8. For eights, we need to multiply the number by 2 thrice (3 times).

5 x 8 = 40

If we're doing this by 2, it will look like this:

5 x 2 = 10

10 x 2 = 20

20 x 2 = 40

Watch this video to learn your eight multiplications in an easy way.

**Strategy for Multiplying by 2**As you know, multiplying by 2 is really easy right?

We have to add the number to itself and we will get the answer.

**For example:**

1 x 2 = 2 1 + 1 = 2

2 x 2 = 4 2 + 2 = 4

4 x 2 = 8 4 + 4 = 8

8 x 2 = 16 8 + 8 =16

We've doubled these numbers.

**Strategy for multiplying a number by 4:**When we multiply a number by 4, we get same result as if we multiplied the number by 2 twice.

**For example:**

6 x 4 = 24

If we're doing this by 2, it looks like this:

6 x 2 = 12

12 x 2 = 24

Do you notice that if we multiply a number by 2, then we multiply the result by 2, we get the same result as if we times it by four?

**Strategy for multiplying a number by 8:**Guess what? In our strategy that we used for multiplying by four also works for multiplying by 8. For eights, we need to multiply the number by 2 thrice (3 times).

**For example**:5 x 8 = 40

If we're doing this by 2, it will look like this:

5 x 2 = 10

10 x 2 = 20

20 x 2 = 40

Watch this video to learn your eight multiplications in an easy way.

Ready for the next step on your road to becoming an amazing math wiz?