Humberto José Bortolossi's user avatar
Humberto José Bortolossi's user avatar
Humberto José Bortolossi's user avatar
Humberto José Bortolossi
  • Member for 6 years, 6 months
  • Last seen more than a week ago
22 votes
6 answers
4k views

What theorems from single-variable calculus break down in the multi-variable context?"

11 votes
2 answers
252 views

2D drawings of 3D objects in printed school textbooks: orthogonal or perspective?

11 votes
1 answer
434 views

Using number theory instead geometry to introduce proof in Basic School?

9 votes
3 answers
3k views

What are some common errors and misconceptions about the Pythagorean Theorem?

7 votes
9 answers
7k views

When did math start to be a hated subject in schools and universities?

6 votes
5 answers
906 views

How to define "axes with the same scale" in Secondary/High School?

6 votes
1 answer
243 views

Fundamental Ideas in Mathematics

6 votes
1 answer
189 views

are there Evidence-Based Justifications for Mandatory Mathematics Education in School Curricula?

6 votes
3 answers
314 views

Is there any research on the impact of dismissive language (e.g., 'it's just...') in mathematics education? [closed]

5 votes
0 answers
218 views

Linguistic recursion issues while writing Mathematics textbooks for Basic School

5 votes
0 answers
168 views

Which countries adopt metacognition in their official math curricula?

4 votes
1 answer
162 views

About instructor's manual in math textbooks: principles, design, uses and impact

4 votes
7 answers
325 views

How to convince a student without calculus that great circles are geodesics in a sphere?

4 votes
0 answers
118 views

Activities that encourage students to create or evaluate mathematical notations

4 votes
2 answers
268 views

how to read binary numbers?

4 votes
3 answers
326 views

do you know a mind-boggling/curious historical facts that will inspire and attract young people?

3 votes
1 answer
150 views

What is the best didactical way to read decimal numbers?

3 votes
5 answers
894 views

Simple examples of how a good notation or diagram can help to solve math problems

2 votes
3 answers
195 views

Engaging Mathematical Riddles for Classroom Enrichment: examples and impact studies references

2 votes
2 answers
235 views

How to introduce the use of Greek letters in high school?

2 votes
1 answer
392 views

Do Greek students use Greek letters to denote angles?

2 votes
1 answer
139 views

Calculus/analysis as basis for basic school topics

2 votes
6 answers
656 views

Why is calculus important for pre-service Math basic school teachers?

1 vote
3 answers
413 views

What are some examples of mathematical errors in computer algebra systems (CAS)?

1 vote
3 answers
303 views

Is it correct to state that a cone has no faces?

1 vote
1 answer
376 views

Is there any university or college in any country where failure and dropout rates in Calculus are not so high?

1 vote
0 answers
100 views

simpson paradox in classroom: reports?

1 vote
1 answer
281 views

Are there differences between graphs, diagrams and charts?

0 votes
1 answer
59 views

What are "must read"/classical refences on data aggregation/disaggregation in statistics?

0 votes
1 answer
69 views

Seeking References on Deterministic and Stochastic Phenomena Suitable for High School Students