TeachersFirst's Elementary School Brain Twisters

Week of October 21, 2016

1.John, Mary and Susie are all over the age of 9. The sum of their ages is 43. John is 2 times as old as Mary. Susie is 3 years older than Mary. How old is Susie? (20 points)

2.Sam needs to fly from Chicago to Los Angeles. All of the flights make one stop. Which stop would be the least efficient in terms of flying time? (10 points)

3.There are 17 girls in Susan's Girl Scout troop. If they put 60 cookies on a plate and share them equally, how many will be left over for the leader to eat? (5 points)

4.Which animal is in the wrong habitat? (10 points)

5.What part of a history book tells you the page where a particular event is mentioned? (5 points)

6.Which falls in a different month? (10 points)

7.Which is not a form of precipitation? (5 points)

8.The least common multiple of 2, 3, and 4 is: (5 points)

9.If you take the sum of the number of stars in the U.S. flag and the number of stripes, and divide by the number of Supreme Court justice seats, you get: (10 points)

10.Who comes next in this historic sequence? Lyndon, Richard, Gerald, Jimmy, Ronald, George, ... (20 points)