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
Level 2 PSLE
In the number line, what is the value represented by A?
2 m
Level 3
Based on the given number sums:
  1. If Row 2, (that is, 4 + 5 + 6 = 7 + 8) is said to have 5 numbers, and Row 3 has 7 numbers, how many numbers does Row 40 have?
  2. Which row has 155 numbers?
3 m
Level 3
By considering the given pattern, write down the number of squares in
  1. Pattern 5
  2. Pattern 30
  3. Pattern 300
3 m
Level 2
Benny swam for 3 days. On each day, he would do 2 more laps than the previous day. He did y number of laps on the first day. What was the total number of laps he did for the 3 days? Give your answer in terms of y.
2 m
Level 3
Each pattern is made up of squares. By considering the pattern, give the number of squares in
  1. Pattern 5
  2. Pattern 20
  3. Pattern 200
3 m