Problem Solving Worksheets With Answer Key - Math Stars Page 25
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397.
Complete the pattern by filling
MathStars Home Hints
in the missing numbers in the table. Then
Calculators are important tools. They do not
write the rule for finding any number.
replace mathematical thinking; you must tell
the calculator what numbers and operations to
X
Y
use. Calculators allow students to focus their
3
7
energies on solving problems and to easily try
5
23
alternative solutions. They also allow students
7
47
to solve problems that were too difficult for
pencil and paper. Number sense and good
9
estimation skills are important when students
11
use technology to carry out computations.
Explore some "what if" situations with the
calculator. "What if the cost of gas goes up
4¢... What if we build the patio 2 feet wider..."
8.
Jamal is playing "Pick-A-
5.
Find the mystery numbers:
Fish" at the carnival. There are ten fish in
When added their sum is 19, when
the pond. Two of the fish are worth 15
multiplied their product is 48, and their
points, three are worth ten points and five
difference is 13.
are eight-point fish. The prize he would
The numbers are _____ and _____.
like requires two 15-point fish. What is
the probability he will win the prize with
only two picks?
6.
Two angles of a triangle measure 39˚
and 114˚. What is the measure of the third
9.
Using exactly four 4's and any
angle?
________
operations [+, -, x, ÷, (),
, !], find an
expression to equal each of the following:
What kind of triangle is it?
________
31 = ___________ 32 = ____________
33 = ___________ 34 = ____________
35 = ___________
Setting Personal Goals
Accuracy is very important to everyone.
Pharmacists must always measure accurately
when preparing prescriptions and carpenters
must cut supporting boards precisely to fit.
Careless mistakes may be avoided in the
classroom by computing carefully, checking
back over work, and writing numbers clearly
and neatly. Remember: If work is worth
doing, it is worth doing well.
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