TeachersFirst's Middle School Brain Twisters

Week of January 28, 2022

1.Which major river formed the eastern border of the Louisiana Purchase? (10 points)

2.The population of mosquitoes in a pond doubles every month. If there are 1,500 mosquitoes on the first of May, how many will there be on the first of September? (5 points)

3.Which is longest? (5 points)

4.If you multiply two numbers whose smallest place value is the hundredths, what will the smallest place value of the answer be? (5 points)

5.In January, 1986, schoolchildren and adults were shocked by the sudden loss of a large rocket-propelled vehicle and its occupants, especially (20 points)

6.Who is known for working with dominance? (10 points)

7.In which state is there a national park encompassing a deep-blue lake in the heart of a dormant volcano? (10 points)

8.An appendix is (5 points)

9.Had it been possible to buy life insurance in ancient Rome, whose premiums would have been highest? (20 points)

10.Some early New England flags had a picture of a pine tree with a serpent coiled around the trunk. Below the design were the words, "Don't ..." (10 points)