HKIMO 2026 Grade 4 National Preliminary Set 03

According to the pattern shown below, find the 1111th letter counting from the left.

It will be Monday tomorrow. Which day of the week was it 50 days ago?

Minnie has 13 coins, including 10-dollar coins and 5-dollar coins. If she has 115 dollars altogether, how many 10-dollar coins does Minnie have?

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

$1,4,10,19,31,46,\ldots$

The store had a number of cupcakes. In the morning, they sold 35 cupcakes. In the afternoon, they sold 27 cupcakes. In the evening, they made 15 more cupcakes, so they had 20 cupcakes. How many cupcakes did the store have in the beginning?

Calculate $60\div1+60\div2+60\div3+60\div4$.

Calculate $16\times9+16\times17+4\times16$.

Find the value of $40-39+38-37+\cdots+4-3+2-1$.

Given that A and B are 2 different digits, find the value of $A+B$.

Find the value of $10+11+12+13+\cdots+19$.

What is the smallest 4-digit number that is divisible by 9?

Find the last digit of $2\times2\times2\times\cdots\times2$ (1234 factors of 2).

Define the operation $a\oplus b=2\times b-a\times3+a\times b$. Find $3\oplus6$.

If the 4-digit number $\overline{357B}$ is divisible by 2 and 5, find $B$.

The sum of A and B is 40. A is 4 times B. Find A.

How many rectangles in the figure contain the triangle?

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

49 squares with perimeter 20 cm each are combined to make a bigger square. Find the perimeter of the bigger square.

The area of a rectangle is 28. If its side lengths are natural numbers, find its greatest perimeter.

Each cell in the grid has side length 1 cm. Peter paints the dog below. Find the area of the painted figure in $\mathrm{cm}^2$.