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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, 8 months
  • Last seen more than a month ago
-1 votes

Comparison of two ways to introduce translation to 12-14 year olds

-2 votes

Real-World Problems for Teaching Extrema and Derivative Tests in STEM Education

1 vote

Applications of High School Geometry

-2 votes

Pi Day Celebration Ideas?

1 vote

Practical case for solving with system of 2 equations

-1 votes

How can I validate the existence of percentages above 100?

1 vote

How can we motivate that Newton's method is useful?

-1 votes

Should one include the unit in the variable? E.g. should one write $x^\circ = 30^\circ$ or $x = 30^\circ$?

0 votes

Special topics for introductory probability

2 votes

Does a proof by induction have to explicitly refer to the principle of mathematical induction?

0 votes

Fixing wrong ideas about coefficients (e.g. subtract 3 from 3x to isolate x)

0 votes

Educational resources commonly address slant asymptotes. Why not general polynomial asymptotes?

2 votes

Importance of complex numbers knowledge in real roots

0 votes

What can (and should) an educator do about ambiguous terms like "triangle", "square", etc?

1 vote

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

0 votes

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

0 votes

Writing mathematics in real time for lectures using Latex

1 vote

Examples of vocabulary that have different meanings in Mathematics compared to "everyday" English

9 votes
Accepted

Ideas for explaining 4D and higher dimensions

2 votes
Accepted

The spatial thinking course for primary school - what to use?

0 votes

Open Source High School Textbooks

2 votes

How do I show students the Beauty of Mathematics?

3 votes

Real-world examples of more "obscure" geometric figures

10 votes

Teaching a student who refuses to learn

9 votes

Are there textbooks that cover most etymological aspects of mathematics?