SEA Mathematics 2023 Past Paper

The full SEA Mathematics 2023 paper. Take it as a timed test, get every answer marked by AI, and view the worked answer key.

SEA Mathematics 20232023· Trinidad & Tobago SEA

QuestionsAnswer KeyPractice

Question 1

number

Write the numeral 91 005 in words.

Answer _____________________________

Question 2

number

Arrange the numbers below in descending order.

3162 3612 3216 3126

Answer _____________________________

Question 3

number

Write $2\frac{3}{8}$ as an improper fraction.

Answer _____________________________

Question 4

number

Divide 628 by 12.

Answer _____________________________

Question 5

number

$8^2 + 6^2 =$

Answer _____________________________

Question 6

number

Round 15 296 to the nearest thousand.

Answer _____________________________

Question 7

number

Max ate 5 cherries which were $\frac{1}{9}$ of the total number of cherries he picked.

How many cherries did Max pick?

Answer _____________________________ cherries

Question 8

number

Write the total value of the bills and the coin shown below.

Answer $ _____________________________

Question 9

number

Calculate $15\%$ of $120$ .

Answer _____________________________

Question 10

number

Write the digits <box>1</box> <box>2</box> <box>3</box> <box>4</box> in the squares below to create an addition problem with the largest sum.

Question 11

measurement

A part of a calendar for the month of April is shown below.

On what day of the week is the 2nd of April?

Answer _____________________________

Question 12

measurement

The total mass of a pineapple and a paw paw is shown on the scale below. The mass of the pineapple is $2.75 \text{ kg}$ .

What is the mass of the paw paw, in grams?

Answer _____________________________ grams

Question 13

measurement

Identical cubes are packed into a box as shown below.

How many cubes are in the box?

Answer _____________________________ cubes

Question 14

measurement

Calculate the difference in length between the eraser and the pen.

Answer _____________________________ cm

Question 15

geometry

The pyramid shown below has a square base.

How many edges of the pyramid have a length of 6 cm? Answer _____________________________ edges

Question 16

geometry

The arrow below is pointing to B. The arrow moves three quarter-turns in an anticlockwise direction.

To which letter is the arrow now pointing?

Answer _____________________________

Question 17

geometry

Name the type of triangle shown below.

Answer _____________________________

Question 18

statistics

The table below shows the shoe sizes of some students.

Which shoe size represents the mode?

Answer _____________________________

Question 19

statistics

Calculate the mean of the numbers below.

32 14 24 0 5

Answer _____________________________

Question 20

statistics

The incomplete tally chart below shows the pets owned by students.

Complete the tally chart to show the number of students who own dogs.

Question 21

number

Write the missing digit in each box below.

Question 22

number

$6 - 2\frac{5}{14} =$ Answer _____________________________

Question 23

number

Karen uses $0.65$ metres of cloth to make 1 skirt.

How many metres of cloth would she need to make 12 similar skirts?

Answer _____________________________ metres

Question 24

number

Kim and Ben estimated the solution to the following problem.

<center>$$ 60 \times 18 $$</center> Kim's Estimate: 600 Ben's Estimate: 1200 Explain who had the better estimate and how it was calculated. Answer _____________________________

Question 25

number

Shop A and Shop B sell the same packet of milk. Shop A sells 4 packets of milk for $26.00. Shop B sells 3 packets of milk and a container for$ 26.00. The price of the container is $3.20.

What is the difference in the price of a packet of milk at Shop A and Shop B?

Answer _____________________________

Question 26

number

Andy, Tom and Brad shared $85 among themselves. Andy received$ 10 more than Tom while Brad received $20 more than Andy. How much money did each boy receive?

Answer Tom $_____________________________ Andy$ _____________________________ Brad $_____________________________

Question 27

number

The cost of a bag is three times the cost of a cap. The total cost of 2 bags and 3 caps is $180. What is the cost of 1 cap? Answer$ _____________________________

Question 28

number

The first 4 elements of a pattern are shown below.

How many squares will form the 11th element?

Answer _____________________________ squares

State the pattern rule.

Answer _____________________________

Question 29

measurement

Draw a rectangle with an area of $18 \text{ cm}^2$ on the grid below.

Question 30

measurement

A clock shows that the time in Trinidad is 6:00 a.m. The clock is 15 minutes slow. The time in Trinidad is 2 hours ahead of the time in Canada. What is the correct time in Canada? Answer _____________________________

Question 31

measurement

Four identical squares are placed side by side to form the rectangle ABCD.

Calculate the difference between the perimeter of one square and the perimeter of the rectangle ABCD. Answer _____________________________ cm

Question 32

measurement

Keisha's luggage was over the limit by 5 kg. When she removed her hairdryer and shampoo, the luggage was below the limit by 500 g. When she put back the hairdryer, the luggage was over the limit by 2 kg.

What was the mass of the hairdryer, in grams?

Answer _____________________________ grams

Question 33

geometry

Five quadrilaterals are shown below.

Write the name of the quadrilateral that matches the properties given.

Properties	Name
No lines of symmetry, one pair of parallel sides, one angle greater than a right angle	____
Two lines of symmetry, two pairs of parallel sides, no right angles	____

</center>

Question 34

geometry

Complete the shape on the grid below using AB as the line of symmetry.

Question 35

statistics

The incomplete graph below shows the runs scored by a cricket team in 3 matches.

The total runs scored in Match 1 and Match 2 was 100. How many runs were scored in Match 3?

Answer _____________________________ runs

Question 36

statistics

The incomplete table below shows Paul's marks in 5 subjects. Paul's mean mark was 68.

<center>Paul's Marks in Five Subjects</center> The table shows the following marks: Science: 80 Mathematics: ____ Art: 55 Music: 47 English Language Arts: 73 Calculate Paul's mark in Mathematics. Answer _____________________________

Question 37

number

Tara bought an equal number of pies and doughnuts. She spent a total of $70.

How many pies did Tara buy?

Answer _____________________________ pies

Question 38

measurement

Dave made a decoration by sticking rectangular strips of Bristol board together. When two strips were stuck together, there was an overlap of a length of 4 cm from each strip.

Dave stuck 13 strips of Bristol board, each of length 15 cm, to make the decoration.

Calculate the length of Dave's decoration. Answer _____________________________ cm

Question 39

geometry

Jenna drew a five-sided shape with one right angle. Two sides of the shape are shown on the grid below.

(a) Complete the shape by joining some of the dots on the grid.

(b) Describe all the angles in the shape.

Answer _____________________________

Question 40

statistics

Brandy and Clara played 3 rounds in a video game. The incomplete table below shows their scores.

Scores in Video Game

Student	Round 1	Round 2	Round 3
Brandy	90	82
Clara	48

Medals were given based on the average score of the 3 rounds.

Medals Based on Average Score

Bronze	Silver	Gold
61-90	91-120	121-150

(a) What is the lowest score that Brandy should obtain in Round 3 to qualify for a silver medal?

Answer _____________________________

(b) Clara's total score was 140. Her score in Round 2 was three times her score in Round 3.

What was Clara's score in Round 3?

Answer _____________________________