Geometry & Measurement

Brain Teasers

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The day before yesterday was The day before yesterday was Sunday, November 29Sunday, November 29thth. What . What day and date will it be the day day and date will it be the day after the day after tomorrow?after the day after tomorrow?

Friday, December 4th

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Use ten toothpicks to Use ten toothpicks to form two squares.form two squares.

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The Baltimore Ravens are playing the Seattle The Baltimore Ravens are playing the Seattle Seahawks on Monday night in Seattle. Larry Seahawks on Monday night in Seattle. Larry watches the game on television in Baltimore. watches the game on television in Baltimore. The game starts at 7:40 P.M. Seattle time The game starts at 7:40 P.M. Seattle time and lasts for 3 hours and 10 minutes. Larry and lasts for 3 hours and 10 minutes. Larry turns off the TV as soon as the game ends. turns off the TV as soon as the game ends. When does Larry turn off his TV in When does Larry turn off his TV in Baltimore?Baltimore?

1:50 A.M. Tuesday

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What is the smallest 4-digit What is the smallest 4-digit time you would see on a digital time you would see on a digital clock? How much later will the clock? How much later will the greatest 3-digit time appear?greatest 3-digit time appear?

10:00 9:59 11 hrs. 59 min.

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Suppose you want to celebrate Suppose you want to celebrate the one millionth second of the the one millionth second of the year. That’s a great idea, but year. That’s a great idea, but when will you celebrate?when will you celebrate?

January 12th

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Janet bakes a round cake. She wants to cut it Janet bakes a round cake. She wants to cut it into 11 pieces, but she doesn’t care if they are into 11 pieces, but she doesn’t care if they are different sizes. She figures out how to do this different sizes. She figures out how to do this with only 4 straight cuts. What does she do?with only 4 straight cuts. What does she do?