# Questions tagged [education]

For math questions related to the teaching and learning of mathematics. Note that Mathematics Educators Stack Exchange may be a better home for narrowly scoped questions on specific issues in mathematics education.

3,330 questions
Filter by
Sorted by
Tagged with
36 views

### Seeking advice on this method of calculating the square of an integer

#Hi all. I would like to ask for advice on this method of calculation Example 1. 19 multiply by 19 Multiply 9 by 9 to get 81, then carry over (8) so we have 1 Bring 19 plus 9 to get 28, then bring ...
1 vote
14 views

### Historical Account on the Solution of the System of Quadratic Equations in the Doubling the Cube's Double Mean Proportion

What related articles and RRLs can you share for the validation of the Historical Account on the Solution of the System of Quadratic Equations in the Doubling the Cube's Double Mean Proportion? Below ...
1 vote
100 views

### Prove maximum of $p\cdot(1-p)^{n-1}$ is at $p=\frac{1}{n}$ without differentiation

I would like to do a proof with my high school students that for $0\le p\le 1$, the maximum of $p\cdot(1-p)^{n-1}$ is reached for $p=\frac{1}{n}$. Proving this with differentiation is quite trivial, ...
• 13
87 views

### Book recommendation for mathematical physics [closed]

Recently, I was going through some of the mathematical physics books (online) : three of them are Arfken , ML Boas and Riley I want to know what are the prerequisites required for the each of them ...
68 views

### Math programs in Russia and post-Soviet states - how do they compare to US?

I studied math in college and also took a few years of Russian. For a time, I was looking for a way of living in Russia post-graduation (well before the recent war) and I asked one of my professors, ...
661 views

### Can the definition $i=\sqrt{-1}$ be made sense of rigorously without using $\mathbb R^2$ or similar construction of complex numbers?

For me, the natural way to define complex numbers seems to be to take $\mathbb R^2$ and then define addition and multiplication on top of that an boom, you have complex numbers. You then pretty ...
• 310
51 views

### Challenging yet accessible problems for middle school students

I'm currently working for a Math summer camp and am tasked with providing 7th grade students with math problems that are challenging yet accessible problems that could be solved by most students ...
• 2,662
39 views

### Expression for dividing by 100, based on the number of factors, minus one factor.

I'm trying to convey a way to calculate the aggregate device downtime in a proposal that I'm writing, and I'm struggling, since I don't have a formal higher-math background. My premise is that, if x ...
22 views

### Fraction word problem that a total includes uneven groups

There are red, blue and yellow pens in a box. The ratio of the number of red pens to blue pens is 2:3. The ratio of the number of yellow pens to the total number of red and blue pens is 5:6. What ...
• 181
47 views

### Area of a quadrilateral with only sides [closed]

Well, this is very simple Question but I am not good with Maths. Can someone suggest me what is the area of an irregular quadrilateral with sides measurement as A, B, C and D. Here A < B < C <...
68 views

### How to express the originals system of equation in terms of its Groebner bases?

As a network engineer I need to explain some mathematical stuff to my fellow coleagues. Particularly, I need to explain the fact the the Groebner Basis will create an equivalent system. One particular ...