HUES 6th Grade Math Choice #9 07-Mar-2000

Hollis Upper Elementary School, Hollis, New Hampshire

1. What's My Rule?

1A. IN 123456789
    OUT 937557391
1B. IN 123456789
    OUT 335443554
1C. IN 123456789
    OUT OTTFFSSEN
1D. IN 123456789
    OUT UDTQCSSHN

2. Which number comes next in the sequence?

2A. 3, 5, 7, 9, 11, 13, 15, 17, 19, ?
2B. 3, 5, 7, 11, 13, 17, 19, ?
2C. 2, 5, 10, 17, 26, 37, 50, 65, 82, ?
2D. 1, 2, 4, 8, 16, 32, 64, 128, ?
2E. 1, 1, 2, 3, 5, 7, 12, 19, 27, ?

3. 1988-1989 6th grade math contest (solutions)
1987-1988 6th grade math contest

Source: The Math League
http://www.mathleague.com

4. Problems of the Week (solutions)

4A. Middle School - Seating Dilemma
4B. Elementary School - Across the Netherlands

Source: The Math Forum
4A. http://forum.swarthmore.edu/midpow/solutions/solution.ehtml?puzzle=68
4B. http://forum.swarthmore.edu/elempow/solutions/solution.ehtml?puzzle=64

Don Braffitt