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 If you don't know how
to solve a problem, make an educated guess at the answer. Check your
guess. If you're wrong, use what you've learned in checking your
guess to make a better guess. Continue to guess, check, and modify
until you find the answer.
Solve using
the guess, test, and revise strategy.
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1. |
At the sport
shop, an order comes in for 18 baseball hats. Some
of the hats are $7 and some are $9. The order's
total is $142. How many hats are $9 hats? |
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2. |
There are 141 items
to choose from in the catalog. There are twice as many
tools as there are clothing items. How many pieces of
equipment are in the catalog? |
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3. |
At
the school cafeteria, pizza and a glass of orange juice
together cost $1.35. Pizza is twice as expensive as
orange juice. What is the cost of each? |
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4. |
Tom
played darts and the target had 3 sections: 30 points,
14 points, and 8 points. He took 5 tries, but missed the
target twice. His score was 46. What sections did he
hit? |
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5. |
Lisa has $1.55 in
nickels and quarters in her piggy bank. If there are 11
coins, how many quarters does Lisa have? |
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6. |
There are 171 books on 13 shelves in Mrs. Carroll's
classroom. Some shelves have 15 books each and the rest
have 12 books each. How many shelves have 12 books?
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Remember: How
can you use each guess to help you decide on a better
next guess?
If
the amount is too high, try fewer. If too low, try more.
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