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Solutions to Summertime Math Puzzles | ||
1. |
Sudoku
puzzles are sweeping the country. Can you fill in this puzzle
with the numbers 1 – 9 so that each row, column and 9 x
9 square has each digit only once?
Answer:
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2. |
How can it be that 11011 + 1011 = 100110? Answer: Binary, in base 10, it translates to 27 + 11 = 38 |
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3. |
Wendy, Bob,
Judy, and Stewart each live on a different street and travel
a different way. Use the clues below to determine which street
and mode of transportation each uses. The streets are Hickory,
Oak, Pine, and Cedar. The transportation is a scooter, car, truck,
and bicycle.
Answer: Wendy lives on Hickory and drives a car. Bob lives on Pine and drives a scooter. Judy live son Cedar and drives a truck. Stewart lives on Oak and rides a bike. |
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4. |
Count the squares
in this figure. Answer: 11 |
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5 small squares:
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5
medium squares:
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5. |
A magic square
uses the digits 1-9. Each digit is placed in the square once
so that each row and column sums up to the same number. Bonus
points if the diagonals also add up to the number.
Answer:
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6. |
Connect the
following dots with the fewest number of straight lines possible.
Do not take the pencil off the paper once you have started.
Answer: 
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7. |
Suppose
you have 10 white socks and 10 green socks in the dryer. How
many socks do you need to take out in order to have a matched
pair? Answer: 3 |
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8. |
Granny Toots’s
great-great-great-great Grandmother was born on April 9, 45 B.C.
and died on April 9, 35 A.D. How long did she live? Answer: 79 |
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9. |
Calculate:
27 divided by 1/3 plus 17. Answer: 98 |
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10. |
Go to http://en.wikipedia.org/wiki/Tangram and
make your own tangram for puzzling fun all summer. |
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