TIMO 2026 Grade 3 Preliminary SET 3 - Self-study
According to the pattern below, find the 8th number in the sequence.
2, 3, 5, 8, 13, . . .
21
38
55
30
Today is 1st April, Friday. Which day of the week will it be the last day of this month?
Sunday
Saturday
Monday
Tuesday
According to the pattern shown below, how many candies are there in the next group?

20
21
23
25
The age of Amy 4 years later is equal to the age of Joe 5 years ago. Given that Joe is 16 years old now, how old is Amy?
15
13
7
11
Anna writes the words "SCHOOL" consecutively as below. Find the 22nd letter that Anna has written counting from the left.

O
S
C
H
Calculate 246 + 205 - 146 + 95 - 100.
250
400
300
350
Calculate 5 x 20 + 5 x 30 + 5 x 50.
300
500
250
1000
Calculate 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19.
80
90
99
89
Find the value of the operation below:
99 - 97 + 95 - 93 + 91 - 89 + 87 - 85 + 83 - 81 + 79
89
79
91
87
What is the number that should be filled in the blank if the equation below is correct?
___ × 5 + 10 = 30
3
2
4
5
Define operation symbol as below a ⊕ b = a + b - b × 2. Find the value of 7 ⊕ 5.
1
2
3
5
Peter and John have 20 marbles in total. John has 4 marbles more than Peter. How many marbles does Peter have?
12
4
16
8
Find the sum of the 4th term and the 8th term in the arithmetic sequence below.
27, 32, 37, 42, 47, . . .
104
99
114
109
The sum of A and B is 18. A is 2 times of B. Find A.
16
6
9
12
The sum of 5 consecutive natural numbers is 20. Find the sum of the smallest and the greatest number.
4
8
10
6
How many squares are there in the figure below?

11
12
13
14
How many rectangles containing the flower are there in the figure below?

18
19
17
16
The perimeter of a rectangle is 40 cm. The length is 6 cm longer than the width. Find its width.
13 cm
23 cm
7 cm
17 cm
At least how many squares can be seen if observing the figure below from the right?

7
8
9
10
The figure below is made up of three rectangles. Find its perimeter.

72
62
44
80