TIMO 2026 Grade 3 Preliminary SET 2 - Self-study

According to the pattern below, find the 7th number in the sequence.

$4,\quad7,\quad11,\quad16,\quad22,\quad\ldots$

Elma writes her name consecutively as below. Find the 19th letter that she has written counting from the left.

According to the pattern shown below, how many pumpkins are there in the next group?

The age of Sara 3 years ago was equal to the age of Chloe 5 years later. When Sara is 20 years old, how old is Chloe?

Today is 10th September, Thursday. Which day of the week will be 27th September in the same year?

Calculate $256+317-400+144-117$.

Calculate $7\times37+7\times22+41\times7$.

Calculate $5+8+11+14+17+20+23+26+29+32+35$.

Find the value of $64-61+58-55+52-49+46-43+40-37$.

What is the number that should be filled in the blank if the equation below is correct?

$\underline{\qquad}\times2+15=27$

Define the operation symbol as below: $a\oplus b=a+b\times2+4$. Find the value of $5\oplus3$.

Mina and Julia have 15 dolls in total. Mina has 9 dolls more than Julia. How many dolls does Julia have?

Find the sum of the 4th term and the 8th term in the arithmetic sequence below.

$9,\quad12,\quad15,\quad18,\quad21,\quad\ldots$

The sum of M and N is 20. M is 4 times of N. Find N.

The sum of 3 consecutive natural numbers is 18. Find the sum of the 2 smallest numbers.

How many squares are there in the figure below?

How many rectangles containing the ball are there in the figure below?

The perimeter of a rectangle is 20 cm. The length is 4 cm longer than the width. Find the width of the rectangle.

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

The figure below is made up of three rectangles. Find its perimeter.