Choose the Operation - When you
use this strategy it usually means that you have
a one step problem to solve and all you need to
do is to choose which operation is needed to solve
the problem.
Guess and Check - Guessing and checking
is helpful when a problem presents large numbers
or many pieces of data, or when the problem asks
students to find one solution but not all possible
solutions to a problem. When students use this
strategy, they guess the answer, test to see if
it is correct and if it is incorrect they make
another guess using what they learned from the
first guess. In this way, they gradually come closer
and closer to a solution by making increasingly
more reasonable guesses. Students can also use
this strategy to get started, and may then find
another strategy which can be used.
Draw a Picture - For some students,
it may be helpful to use an available picture or
make a picture or diagram when trying to solve
a problem. The representation need not be well
drawn. It is most important that they help students
understand and manipulate the data in the problem.
Act it Out or Use Objects - Some
students may find it helpful to act out a problem
or to move objects around while they are trying
to solve a problem. This allows them to develop
visual images of both the data in the problem and
the solution process. By taking an active role
in finding the solution, students are more likely
to remember the process they used and be able to
use it again for solving similar problems.
Make and Use an Organized List, Table, Chart
or Graph - Making an organized list,
table, chart or graph helps students organize
their thinking about a problem. Recording work
in an organized manner makes it easy to review
what has been done. Students keep track of
data, spot missing data, and identify important
steps that must yet be completed. It provides
a systematic way of recording computations.
Patterns often become obvious when data is
organized. This strategy is often used in conjunction
with other strategies.
Look for a Pattern - A pattern is
a regular, systematic repetition. A pattern may
be numerical, visual, or behavioral. By identifying
the pattern, students can predict what will "come
next" and what will happen again and again in the
same way. Sometimes students can solve a problem
by recognizing a pattern, but often they will have
to extend a pattern to find a solution. Making
a number table often reveals patterns, and for
this reason is frequently used in conjunction with
looking for patterns.
Use Logical Reasoning - Logical
reasoning is really used for all problem solving.
However, there are types of problems that include
or imply various conditional statements such as, "if..
then," or "if.. Then else," or "if something is
not true, then...” The data given in the problems
can often be displayed in a chart or matrix. This
kind of problem requires formal logical reasoning
as a student works his or her way through the statements
given in the problem.
Work Backward - To solve certain
problems, students must make a series of computations,
starting with data presented at the end of the
problem and ending with data presented at the beginning
of the problem.
Solve a Simpler or a Similar Problem -
Making a problem simpler may mean reducing large
numbers to small numbers, or reducing the number
of items given in a problem. The simpler representation
of the problem may suggest what operation or process
can be used to solve the more complex problem.