HKIMO 2026 Grade 2 National Final (Heat) Set 05

John has three sons and four daughters. His youngest son is Peter. How many sisters does Peter have?

According to the pattern shown below, which symbol is the 26th from the left?

Peter uses 3 straight lines to cut a circle into parts. At most how many parts can he get?

Source vocabulary note: the English question says circle, but its Vietnamese gloss incorrectly says square. This version uses a circle, following the English question.

What number should replace the question mark in the table below?

How many marbles must be placed at the question mark to make the diagram balance?

Find the value of $213+519+187+81$.

Find the value of $7×2+7×3+7×5$.

Find the value of $2+4+6+8+10+12+10+8+6+4+2$.

Find the value of $1−3+5−7+9−11+13−15+17−19+21$.

A and B are 1-digit numbers. What is A if the equation below is correct?

Hermione has 37 oranges and Harry has 3 oranges. How many oranges must Hermione give Harry so they have the same number of oranges?

Editorial correction: the printed question asks for apples, although both initial amounts and the target are oranges. Read that word as oranges here.

Andy has 24 marbles and divides them into 3 piles, each containing a different number of marbles. Find the smallest possible number in the biggest pile.

How many 2-digit odd numbers are there?

According to the pattern below, find the next term.

2, 3, 5, 8, 13, 21, 34, __

Twenty-four balloons are shared equally among a group of fewer than 10 children. At most how many children can there be?

How many cubes are there in the figure below?

A prism has 8 faces. How many edges does it have?

How many squares are there in the figure below?

How many triangles are there in the figure below?

There are 4 points in the figure below. How many straight lines are needed to connect every pair of points?