HKIMO 2026 Grade 1 National Preliminary Set 01
Given two balances below, find the lightest fruit.

Apple
Orange
Mango
Cannot determine
Anna has 2 brothers and 1 sisters. How many child(ren) does Anna’s mother have?
2
3
4
5
Today is Sunday. What day of the week was it yesterday?
Tuesday
Monday
Sunday
Saturday
By observing the pattern, what is the number in the space provided?

13
14
15
16
According to the pattern below, how many # are there in the next group?

20
17
13
15
Find the value of 2 + 8 + 6 + 3 + 1.
12
20
21
22
Find the value of 15 − 4 + 2.
15
13
14
12
What is the value of A such that the equation below is correct?

12
9
10
11
Calculate: 4 + 4 + 4 + 4.
16
20
12
24
Find the value of 11 + 6 + 5.
18
20
21
22
Find the smallest 2-digit odd number.
10
11
13
9
Which equation of the followings is correct?
7 + 4 + 3 = 6
7 + 4 − 3 = 6
7 − 4 − 3 = 6
7 − 4 + 3 = 6
According to the pattern shown below, which number should be filled in the blank?

15
16
14
13
Mark has 14 pens. Dad gives Mark 3 more pens. How many pen(s) does Mark have now?
18
12
19
17
Find the suitable number to fill in the boxes below.

10
11
9
8
How many squares are there in the figure below?

5
6
7
8
The figure on the left is one box of cakes. How many boxes of cakes are there in figure on the right?

5
6
7
8
Refer to the pattern below. Find the suitable figure to fill in the blank.

Filled circle

Unfilled triangle

Filled triangle

Unfilled circle

How many circles are there in the figure below?

4
5
3
2
How many sides are there in the following figure?

5
7
8
9