Objective 1 - ANSWER Apply a range of strategies to represent and solve mathematics
problems in contexts
Key to solutions - ANSWER Make a guess and test; draw a diagram or a picture; draw a
table or chart; draw a list; act it out; look for a pattern; write an open mathematical
sentence; work backwards
Guess and Check - ANSWER Make your best guess, then check the answer to see
whether it's right. Includes many variations.
Making a sketch or a picture - ANSWER Draw an image
Make a table or a chart - ANSWER Organizing information from a problem
Makin a list - ANSWER Organizing information from a problem
Act it out - ANSWER Literally "doing" a problem with physical movement and physical
objects
Look for patterns - ANSWER Ask "what's happening here?"
Writing an open math sentence - ANSWER An equation with one or more variables, or
"unknowns".
Work backward - ANSWER Start with answer, figure out problem.
, Reasonableness - ANSWER Attention to reasonableness may be most crucial to
problem-solving success
Objective 2 - ANSWER Understand mathematical communication and use mathematical
technology, symbols, and representations to communicate information.
Math - ANSWER For the most part, a science of precision.
Negative numbers - ANSWER Those less than zero. Fractions less than zero are
negative numbers too.
Absolute value - ANSWER Can be thought of as its distance from zero on a number line.
Counting numbers - ANSWER Can be shown by the set (1, 2, 3, 4,. . .). Notice that 0 is not
a counting number.
Whole numbers - ANSWER Counting numbers, including 0
Integers - ANSWER Whole numbers and their negative counterparts
Factors - ANSWER Any of the numbers or symbols in mathematics that when multiplied
together form a product.
Prime Number - ANSWER A number with exactly two whole number factors 1 and the
number itself.
Composite numbers - ANSWER Whole numbers composed of several whole number
factors.
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