Addition Strategies:
Subtraction Strategies:
Multiplication Strategies:
Beyond the Algorithm
Building a Conceptual
Understanding
Calculating with
number sense means that one must look at the numbers first and then decide on a
strategy that is fitting ---- and efficient.
Children who learn
to think, rather than to apply the same procedures by rote regardless of the
numbers, will be empowered. They will not see mathematics as a dogmatic, dead
discipline, but as a living, creative one.
They will thrive on inventing their
own rules, because these rules will serve afterward as the foundation to
solving other problems.
Fosnot & Dolk, 2001 Young Mathematicians
at Work
