# 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.

3,327 questions
Filter by
Sorted by
Tagged with
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 ...
66 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, ...
644 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
46 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 ...
99 views

I'm an undergraduate-level self-taught mathematics student. I'm estimating I might be around the second year of the degree on mathematics in terms of general knowledge. While I love the subject, i'm a ...
138 views

• 117
137 views

### How do i stop the perfectionism with textbooks? [closed]

I have this problem that whenever i want to dip my toes into a new area of math that I'm either completely new to or have so little knowledge in it, I always go and google "Best books to learn [...
60 views

### Trigonometric equations: Finding the same solution for sin and cos

I am solving these trigonometric equations: $-10.0317 = 10.0458 \times \sin(7.1726 \times 10^{-4} \times t)$ $-0.5319 = 10.0458 \times \cos(7.1726 \times 10^{-4} \times t)$ I solved the sin equation ...
• 1,237
1 vote
Is there a general consensus regarding which term is the multiplicand, and which is the multiplier in basic arithmetic multiplication? In my notes I stated that in the expression $a \times b$ the left ...