SEA Mathematics 2025 Past Paper

Write the numeral represented below.

Answer _____________________________

Circle the largest number below.

A number line is shown below.

Insert the missing number in the box. ____

Complete the number sentence below.

$20 \times \boxed{\phantom{00}} = 20 \times 3 + 20 \times 4$

Calculate $25 \times 48.$

Answer _____________________________

Ziyad has a total of $15.10 in bills and coins. The value of one of the coins is not shown.

What is the value of the coin that is not shown?

Answer _____________________________ ¢

What number must be placed in the box to make the number statement true? $\frac{27}{45} = \frac{3}{\Box}$ Answer _____________________________

Rectangle ABCD below represents a whole.

What fraction of the rectangle is shaded?

Answer _____________________________

Jose bought 340 seedlings. He planted 45% of the seedlings. How many seedlings did Jose plant?

Answer <lines> seedlings

Some students are ordering numbered blocks. The diagram below shows how 4 students ordered their blocks.

Fay chooses the block shown below.

Between which two students' blocks should Fay place her block? Answer _____________________________ and _____________________________

The calendar below represents the month of June.

Jade visited the dentist on 8th June and has to return exactly 2 weeks later.

On what date should Jade return?

Answer _____________________________ June

The perimeter of the pentagon, ABCDE, shown below is 148 cm.

What is the length of BC?

Answer _____________________________ cm

The diagram below shows a fish on a scale.

State the mass of the fish. Answer _____________________________ kg

Paul pours 3 litres of water into a number of 250 ml cups.

How many cups can be filled completely? Answer _____________________________ cups

Solids A, B, C and D are shown below.

Which solid has a uniform cross-section in the shape of a triangle?

The first 4 elements of a pattern are shown below. Complete the 5th element.

Draw all the lines of symmetry on the figure below.

Students' scores on a quiz are shown below.

4, 3, 2, 5, 1, 0, 3, 2, 3, 1

What is the modal score?

Answer _____________________________

The mean of a set of numbers is 22. The sum of the set of numbers is 132. How many numbers are there in the set?

Answer _____________________________ numbers

The block graph below shows the number of minutes 5 children spent playing.

The children spent a total of 100 minutes playing. How many minutes did Keith spend playing?

Answer _____________________________ minutes

The price of a smartphone is 1 200 plus VAT of $$ 12 \frac{1}{2} $$%. What is the final price of the smartphone? Answer _____________________________

A list of ingredients for 10 cookies is shown below.

Ingredients 100 g butter 100 g sugar 30 g chocolate 180 g flour 25 g cereal

Kamini wants to make 12 cookies. How much flour would she need?

Answer _____________________________ g

Complete the shopping bill shown below.

The table below shows the cost of printing postcards at a printery.

Gale printed 700 postcards. How much did she pay?

Answer $ _____________________________

Nick has 4 boxes of balloons. Each box contains 108 balloons. Nick packs the balloons into party bags. He packs 14 balloons into each party bag.

How many more balloons would he need to fill the last party bag?

Answer _____________________________ balloons

A number pattern is shown below. The 5th element is not shown.

Draw the 5th element and describe the pattern. Answer _____________________________

The cost of 1 table and 4 chairs is $280.00. The cost of 1 table is 3 times the cost of 1 chair. Calculate the cost of 1 table.

Answer $_____________________________

The diagram shows a triangle. On each side of the triangle there are 3 circles. The sum of the numbers on each side is 1.2.

Use the decimals below to complete the triangle.

The clock below shows the time Aliya arrived at the mall. Her journey from home to the mall took 25 minutes.

At what time did Aliya leave home?

Answer _____________________________

Two identical pieces of cardboard were stuck together as shown below. The length of the overlapping portion is 40 cm.

What was the length of each piece of cardboard before they were stuck together?

Answer _____________________________ cm

Mr. Dawson's land is divided into 2 rectangular gardens as shown below.

Mr. Dawson wants to build a fence around his entire land and between Garden 1 and Garden 2.

How many metres of fence will he need?

Answer _____________________________ m

Two containers, A and B, are shown below. Container A is a cube and Container B is a cuboid.

Container A is completely filled with water and Container B is empty.

The water from Container A is poured into Container B.

What is the height of the water in Container B?

An incomplete five-sided shape, ABCDE, is shown on the grid below.

Three sides of the shape are shown. The completed shape must have 3 right angles.

Complete the shape.

State one similarity and one difference between a square and a rhombus.

The pictograph below represents storybooks owned by 3 students.

Amani owns 15 more books than Zarah.

How many books does Ibby own?

Answer _____________________________ books

Asha's mean score on 2 tests was 54. Her score on the first test was 12 less than her score on the second test.

What was her score on the first test?

Answer _____________________________

Four number cards are shown below. Three numbers are missing.

Two of the cards have the same number. Only one number is 6 less than another. All missing numbers are greater than 15. The total of the four numbers is 70. Determine the missing numbers.

Answer _____________________________

The rectangle, ABCD, shown below is divided into smaller identical rectangles. The area of the shaded portion is $3 \, 600 \text{ cm}^2$.

Calculate the length of AB, in metres.

Answer _____________________________ m

Fidel had 6 cubes. He placed them side by side and stuck them together as shown below.

Fidel placed 1 black dot on each face that is not stuck together.

(a) What was the total number of dots placed on the 6 cubes?

Answer _____________________________ dots

(b) What is the greatest number of cubes that can be stuck together so that the total number of dots is less than 45?

Answer _____________________________ cubes

There are 28 students in a class. The incomplete bar graph below shows the number of students who were absent for 5 days.

The mean number of students present for 5 days was 22. Complete the bar graph to show the number of students who were absent on Friday.