Level 2
Jeremy arranged 5 letters to form a pattern. The first 4 rows are as shown.

Row 1    AB  CDE
Row 2    BA  ECD
Row 3    AB  DEC
Row 4    BA  CDE

Write the arrangement of the 5 letters in Row 83.
2 m
Level 2 PSLE
Tim uses the four letters W, X, Y and Z to form a pattern. The first 16 letters are shown.

W, X, Y, Z, Z, Y, X, W, W, X, Y, Z, Z, Y, X, W, ...

Which letter is in the 59th position?
2 m
Level 2 PSLE
A table with 4 columns is filled with numbers in a certain pattern. The first 4 rows of the table are shown. In which column will the number 362 appear?
2 m
Level 3
The first 15 numbers of a number pattern are given.
  1. What is the 582nd number?
  2. What is the sum of the first 583 numbers?
3 m
Level 3
Study the following pattern.
  1. In which column will the number 80 appear?
  2. What number will appear in row 99 column 4?
4 m