HKIMO 2026 Grade 4 National Preliminary Set 01

According to the pattern shown below, find the 2022nd figure counting from the left.

It was Monday yesterday. Which day of the week will it be 18 days later from now?

There are 15 cows and 8 chickens in a farm. How many legs are there in total?

According to the pattern below, find the next term in the sequence.

$1,2,5,10,17,26,\ldots$

Grandma has a basket of apples. In the morning, she sells 10 apples. In the afternoon, she sells half of the remaining apples. Finally, she has 6 apples left in the basket. How many apples does Grandma have in the beginning?

Calculate $48\div2+48\div3+48\div4$.

Calculate $10\times8+10\times12+30\times10$.

Find the value of $8-7+6-5+4-3+2-1$.

Given that X and Y are 2 different digits, find the value of Y to get the correct operation below.

Find the value of $1+2+3+\cdots+9$.

What is the smallest 3-digit number that can be divisible by 3?

Find the last digit of $9\times9\times9\times\cdots\times9$ (2021 factors of 9).

Define the operation $a*b=(b-a)\times(a+b)$. Find the value of $3*5$.

If the 4-digit number $\overline{143B}$ is divisible by 9, find the value of $B$.

The difference of A and B is 10. A is 3 times B. Find the value of A.

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

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

A square piece of paper with perimeter 16 cm is cut into 4 identical smaller squares. Find the perimeter of each small square.

The area of a rectangle is 10. If its side lengths are natural numbers, find its smallest possible perimeter.

Which shaded region below has the greatest area?