sheinli9 Works
Interactive example: add a number to two numbers to reach a target sum
Decomposing a given integer into two integers whose sum matches
Geometric Relations Between Three Integers (Lines, Slopes, Inequalities)
Interactive Number Comparison with Scatter Visualization
School Breakfast and Number of Students: A Statistics Model
Find Maximum and Minimum from a Number Set
Geometric Longest/Shortest Lengths via Sums and Riemann Ideas