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5 votes
0 answers
285 views

Linguistic recursion issues while writing Mathematics textbooks for Basic School

1 vote
0 answers
286 views

Best books or online sources on how NOT to do arithmetic?

2 votes
2 answers
128 views

Why don’t these 3 multivariable calculus textbooks — by Larson, Stewart, Thomas — define $ ∂ x$?

2 votes
0 answers
68 views

How to explain, to 14 year old’s, why they can subtract $x = 4$ twice from a system of 2 other equations?

4 votes
1 answer
125 views

Examples of Financial Institutions that Compute Interest Atypically?

5 votes
0 answers
114 views

Are there any fun toy applications of representation and character theory for finite groups to physics?

3 votes
1 answer
67 views

Reference request: Studies on whether elementary teachers prioritize conceptual understanding vs. procedural mastery

23 votes
27 answers
12k views

What are some simple problems that calculators get wrong?

8 votes
3 answers
1k views

How can students foreknow that amount of wood in a napkin ring is the same, regardless of the size of the sphere, without any computation?

7 votes
1 answer
119 views

Solvability of Systems of Diophantine Equations using Modular Reasoning

78 votes
20 answers
20k views

Impressive common misleading interpretations in statistics to make students aware of

5 votes
1 answer
153 views

Transition into a non-explicit sample space world

6 votes
0 answers
221 views

Studies on the change in effectiveness of pedagogical practices over time

6 votes
4 answers
2k views

Adding zeros to the right or left of a number with/without a decimal separator - how to explain it to secondary students?

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