16
undergraduate-education
× 9 |
7
middle-school
× 2 |
3
logic
|
1
infinity
|
16
proofs
× 4 |
6
secondary-education
× 6 |
2
concept-motivation
× 2 |
1
teacher-preparation
|
9
geometry
× 5 |
6
mathematical-pedagogy
× 3 |
2
real-numbers
|
0
abstract-algebra
|
8
negative-numbers
× 2 |
5
definitions
× 4 |
1
examples
× 3 |
0
powers
|
8
arithmetic-operations
× 2 |
4
teaching
× 2 |
1
primary-education
× 2 |
0
trigonometry
|
8
induction
× 2 |
3
calculus
× 3 |
1
precalculus
× 2 |
-1
functions
× 3 |
7
algebra
× 6 |
3
students-mistakes
× 2 |
1
division
|
-1
fractions
|
7
exponent
× 2 |
3
teacher-development
|
1
notation
|
-2
self-learning
|
Dan Christensen
