Problem Solving Worksheets With Answer Key - Math Stars Page 10
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39MathStars Home Hints
9. An auto mechanic earns $14.75 per hour
for a 40 hour week. She pays 25% of her
Memorizing number facts will save you time.
Flash cards are one way to learn new facts, but
earnings in taxes and 5.5% for Social Security.
What is her net or take-home pay?
________
you also might try these ideas:
• play dice or card games in which you need to
add, subtract, multiply, or divide.
• learn new facts using ones you already know
(7+7 =14 so 7+8=15).
• learn facts that are related to each other
(7x6=42, 6x7=42, 42 ÷ 6=7, 42 ÷ 7=6).
10. Jim works in a ten story office building.
He gets on at the fourth floor and rides to the top
• make a list of the facts you need to memorize
floor. He then goes down seven floors, rides up
and learn 5 new facts each week.
four realizes he is lost and rides down five more
• Spend 5-10 minutes every day practicing facts.
floors. Where is Jim now?
________
7. On Monday Frannie Farmer put 20
pumpkins in her produce stand and some of them
were sold. On Tuesday she doubled the number
that were unsold and sold the same amount as
Monday. On Wednesday she tripled the number
that were unsold and again sold the same number
as Monday, leaving none left over. How many
pumpkins did she sell each day?
_________
8. A piece of posterboard is cut into the
shape below consisting of five congruent squares
with a total area of 180 square centimeters.
Setting Personal Goals
Communicating mathematically means that
you are able to share your ideas and under-
standings with others orally and in writing.
Because there is a strong link between lan-
If the shape is folded along the dotted lines
guage and the way we understand ideas, you
to make an open box, what is its volume in
should take part in discussions, ask questions
when you do not understand, and think about
cubic centimeters?
_________
how you would explain to someone else the
steps you use in solving problems.
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