TeachersFirst's Middle School Brain Twisters

Week of November 16, 2018

1.Freezing rain happens when (5 points)

2.Which has the most vertices? (5 points)

3.Which of the following pairs of words has a prefix that means before? (10 points)

4.Rosetta and Philae made history in 2014 by (20 points)

5.What is the least common multiple of the number of Supreme Court justices (with a fully appointed and confirmed court) and the number of wonders of the ancient world? (5 points)

6.Draw an imaginary arrow from the origin of the Colorado River toward its mouth. In what direction does the line head? (10 points)

7.If it is noon on Friday in New York, what time is it in Sydney, Australia? (10 points)

8.Who was not an Olympian? (10 points)

9.A timeline of history has to be carefully calibrated to be accurate in representing time by distance along the line. Which pair of events is not correctly matched with their approximate distance apart on the timeline if the rest are correct? (20 points)

10.The electronics store advertised "take an additional 15% off" the sale price of 50% off. A CD player originally priced at $120 would cost: (5 points)