TIMO 2026 Grade 4 Preliminary SET 2 - Self-study

According to the pattern shown below, how many letters “O’’ are there in the first 52 letters counting from the left?

Yesterday was Saturday. Which day of the week was it 123 days ago from now?

There are 35 animals including penguins and giraffes in the zoo. Their total number of legs is 94. How many giraffes are there?

According to the pattern below, find the 7th term in the sequence.

2, 2, 6, 14, 26, ...

There is a meeting with a lot of people in a room. In the first hour, 25 people left the room. In the second hour, half of the remaining people left the room. In the third hour, 37 people left the room so the room is empty. How many people are there in the room initially?

Calculate 90 : 1 + 90 : 2 + 90 : 3.

Find the value of 3 + 6 + 9 + ... + 27 + 30.

Calculate 20 × 37 + 5 × 20 + 20 × 8.

Find the value of 100 - 99 + 98 - 97 + ... + 4 - 3 + 2 - 1.

Given that A and B are 2 different digits, find the value of B to get the correct operation.

What is the greatest 4-digit number that can be divisible by 5?

Find the last digit of 3 × 3 × 3 × ... × 3 × 3 (2025 numbers 3).

Define the operation symbol a • b = b + a × 2 + b - a. Find the value of 7 • 8.

Grandma counted 42 fruits in a basket, consisting only of apples and oranges. If there were 6 times as many apples as oranges, how many oranges were in the basket?

If 233B is a 4-digit even number divisible by 3, find the value of B.

How many rectangles in the figure containing the star are there?

Three squares are combined to get a rectangle as below. Given that each square has an area of 36 cm², find the perimeter of that rectangle.

At least how many small squares can be seen if viewing the figure below from the front?

The area of the rectangle is 50. If the sides of the rectangle are natural numbers, what is its minimum value of perimeter?

Each small square in the grid has side length of 2cm. Find the area of the shaded region in cm².