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Hello Friends! Welcome to a new Happy Learning video. Today, we’re going to learn about a new maths operation. It’s easy peasy, but very important! Today, we’re going to learn about multiplying.
Multiplying is the same as adding various times the same number, and the multiplying sign is this one X. Yes, yes! Like an ex.
If we saw this multiplication 2×3 What we have to do is add number 2, three times, like this… 2 + 2 + 2 is equal to 6. So 2 x 3 is 6!
Knowing how to multiply is very important for life in general. Let’s imagine that we want to buy 4 toys and each toy costs 2 coins. How much money do we need to take to buy all 4 toys?
It’s easy peasy!
We would have to write 2, the number of coins for each toy
X4 which is the amount of toys we want to buy,
This means we need to add 4 x number 2.
2 coins from 1 toy + 2 coins from another toy, + 2 from another and +2 fro the last.
Our answer, is 8!
We would need 8 coins to buy the 4 toys.
The numbers that appear in the multiplication are called factors.
Number 2 and number 4, are the factors and the answer of the operation is called the product So number 8 is the product. Easy Peasy huh?
A very important trick that you need to know is that it doesn’t matter if you multiply 2 x 4 or 4 x 2, the answer will always be the same. Let’s check it:
We already know that 2 x 4 is adding 4 times, number 2 and that the answer is 8.
Now let’s see 4 x 2. We need to add number 4, twice. 4+4 is 8… Same as when we multiplied 2 x 4
This is, the commutative property, it says the order of the factors won’t alter the product. 5 x 3 is 15, same as 3 x 5 which is also 15.
Well, now you know the most important things about multiplying!
Now, you need to learn your times tables, so you don’t add so much, and it it’s even easier for you… Goodbye mathematician friends! And don’t forget to subscribe to Happy Learning Tv