Name _____ Date __
PERPLEXING PATTERNS
27
1.What is the 20th number in Row 4? ___
2.What number in Row 1 is below the 20th number in Row 4? ___
3.How did you figure out the answer to #2?
4.What number in Row 1 is below the 25th number in Row 4? ___
5.If you know the position of a number in Row 4, how can you figure out
the number below it in Row 1?
PROBLEM
(^4) What number in Row 1 is
below the 20th number in Row 4?
ROW 4 9 18 27 ê
ROW 3 5 8 14 17 23 26 ê
ROW 2 2 4 7 11 13 16 20 22 25 29 ê
ROW 1 1 3 6 11 12 15 19 21 24 28 ê
The array of numbers continues.
Algebra Readiness Made Easy: Gr
. 6
© 2008 by Greenes, Findell & Cavanagh, Scholastic Teaching Resources