How to get good at mental math?
One of the most important bases of mathematics, beyond the Pythagorean theorem, Thales, the right triangle, the right angle, arithmetic, the equation, prime numbers, division, natural integers, complex numbers, the square root … It’s mental math !
The calculator is fine, but if a student is not able to calculate an equation (multiplication, division, addition, subtraction) mentally or to reflect it on paper … He will always have difficulties in math class .
You can become good at mental math!
The advantages are numerous, in math class, on online sites, school support, private lessons, exams or even on a day-to-day basis:
- Save time in mathematical exercises,
- Calculate purchases,
- Calculate proportionality,
- Make memory and neurons work …
The goal for any student to progress in mathematics is to reach a level where certain results are an automatic reflection.
The practice of mental calculation, on a regular basis, on a daily basis, is essential to achieve this. 10 minutes a day is recommended.
Here are the bases to know: multiplication tables, square root, the complements of the number 10, the factoring rules … It should be noted that there are several tricks to calculate quickly:
- Look for example the last digit of a number,
- The decomposition of the numbers for large sums,
- Simplifying the numbers to subtract,
- Regroup the units, etc … How to get good at mental math?