Counting & Arithmetic
354 articles in Mathematics & Numbers
Explore counting & arithmetic with fun, age-appropriate articles written just for kids!
Articles — Page 7
Rational number
Real number
Reciprocal
Reductio ad absurdum
Regression analysis
Relation (mathematics)
Representation theory
Rhind Mathematical Papyrus
Richard Dedekind
Riemann hypothesis
Robert Recorde
Robert Smith (mathematician)
Roman numerals
Romanization of Ukrainian
Rounding
Sample
Self-avoiding walk
Set
Set (mathematics)
Set theory
Seven Bridges of Königsberg
Society for Industrial and Applied Mathematics
Special functions
Square (algebra)
Square root
Srinivasa Ramanujan
Standard deviation
Stefan Banach
Stochastic process
Subset
Subtraction
Sudoku
Suite
Sum
Supernatural number
Surreal number
Syntax
System of linear equations
Tai's model
Tally marks
Tally stick
Tamins
Taylor series
Tensor
