Heuristics  
Proposal Number Sense Interactive Quiz Lesson Plans History Problem Bank Glossary Quotes Helpful Links References

Diagrams  Diagrams
help some students organize and piece together information that they have
received. For example,
students could use tally marks to make sense of the tremendous amount of
data. In probability, one
often sees students using tree diagrams. Graphs  Graphs help some students visualize problems. They help students organize and piece together information they have received. Patterns  Students often use patterns to predict the correct answer. Some construct tables to recognize different patterns. Special Case  To make problems easier to tackle, students may look at a special case in which they are familiar to gain insight about the general case. Trial
and Error/Guess and Check  Some students use a trial and error method
to test certain possibilities. Use
of Previous Methods  Some students use techniques from previous
problems in hopes that the new problem is solved in the same manner. Use
of Variables and Equations  Using variables and equations may help
students make generalizations about specific situations. Working
Backwards  Some students find that once they know the answer, working
backwards will help them figure out the process. 