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 1 PSLE
Use all the digits 8, 7, 0, 9 to form the largest 4-digit odd number.
1 m
Level 3 PSLE
Zane uses toothpicks to form figures that follow a pattern. The first four figures are shown.
  1. The table shows the number of toothpicks used for each figure. Complete the table for Figure 5 and Figure 6. Give your answers in numbers. (Eg 1, 2)
  2. What is the difference in the number of toothpicks Zane would use for Figure 11 and Figure 13?
  3. How many toothpicks would he use for Figure 50?
4 m
Level 3 PSLE
Andy used 3-cm rods to build some structures. The first five structures are shown.

The table shows the number of rods used for each structure and the height of each structure.

  1. Find the value of a.
  2. Find the value of b.
  3. What was the height of Structure 119?
  4. How many rods were used to build Structure 119?
5 m