Level 1
The diagram shows the seating arrangement in an auditorium. The rest of the seats follow the same pattern. How many seats are there in Row 11?
1 m
Level 1 PSLE
Ben used 48 tacks to pin his flashcards side by side onto a board as shown.
How many flashcards did he pin altogether?
2 m
Level 2
The figure shows a pattern formed using some sticks.

  1. How many sticks are needed to form 10 triangles?
  2. How many triangles are formed using 101 sticks?
2 m
Level 2
The sequence of patterns is formed with squares. The first three patterns are shown.
  1. How many squares are needed in pattern 43?
  2. Which pattern number contains 514 squares?
2 m
Level 2 PSLE
A total of 18 balloons are set up at an equal distance apart along the three sides AB, BC and CD of a rectangle stage. The figure shows part of the set-up. The breadth of the stage is 260 cm. What is the length of the stage?
2 m