# 5 Math Tricks To Make Pupils’ And Parents’ Lives Easier

May 6, 2019 15:22

When learning a new useful trick or lifehack, one can’t but think:

Many of us probably remember math classes with a shudder, especially those who struggled with exact sciences. If only we were taught simple mathematical tricks! With them, you can forget about the calculator!

## 5 math tricks that make life easier for both pupils and parents

### 1. How to easily multiply numbers consisting of nothing but 1s

Any child can remember this trick with a sequence of numbers. The foot of this pyramid looks particularly beautiful!

### 2. Multiplying large numbers by 11

And how do you find this trick with the sums?

### 3. Multiplication of double digits

Not so difficult after all!

### 4. > and <

To help a child learn the difference between the more and less signs, let him or her imagine the jaws of a beast that always reaches for a larger piece (number).

### 5. How to quickly square a two-digit number that ends with 5

Multiply the first digit by "itself + 1", and add 25 at the end. That’s it!

Did you know about these tricks? What other simple mathematical hacks would you tell to schoolchildren and their parents? We are waiting for your answers in the comments!