Which of the following numbers
has 21 as a factor?

Which of the following lists all the
factors of the number 46?

3 is a factor of x. x is a factor of
63. The possible value of x is

Which of the following is a prime
number?

Which of the following is a prime
factor of the number 50?

The first three prime numbers
which are greater than 20 are

Which of the following shows the
prime factorization of 232?

Which of the following is a
common factor of 17 and 51?

Which of the following sets of
numbers have a common factor
of 7?

What is the greatest number that
can divide 18, 54 and 63 without
leaving any remainder?

Which of the following sets of
numbers have 2 as their highest
common factor?

What is the highest common
factor of 24, 64 and 132?

The highest common factor of 18
and y is 9. The possible value of
y is

Which of the following is not a
common multiple of 12 and 20?

Which of the following sets
of numbers have the lowest
common multiple of 48?

The lowest common multiple of
4, 5 and x is 40. The value of x is

A rectangular plot of land is
18 m wide and 24 m long. If the
owner wants to build a fence
around the land, with equal and
the greatest possible distance
between every two adjacent
poles of the fence, what should
the distance between every two
adjacent poles of the fence be?

Alex has an equal number of
action figures and toy cars. He
stores all the action figures in
boxes of 10 and all the toy cars in
boxes of 12 with none remaining.
What is the smallest number of
each type of toy that Alex could
have?

Alisa has an equal number of
bottles of orange juice and grape
juice. She divided all the bottles
of orange juice into 24 bottles per
pack and all the bottles of grape
juice into 6 bottles per pack. If
there are no remainders left,
what is the minimum number of
bottles of each type of juice?

27 blue marbles, 45 red marbles
and 63 yellow marbles are placed
in some boxes with an equal
number of marbles of the same
color in each box. If there are no
marbles left outside the boxes,
how many boxes are there?

71.5 ÷ 22 =

106.32 ÷ 4 =

36.064 ÷ 2.254 =

(8.631 ÷ 1.05) + 4.152 =

(0.45 × 1.3) ÷ 0.3 =

(22 – 2.48 ÷ 0.16) × (1.15 + 0.85)

0.7 × (8 – 0.8 + 0.08) =

33.285 ÷ 2.1 – 9.048 =

The price of chicken meat is
75.50 Baht per kg. If Jom buys
2.5 kg of chicken meat, how
much money does he have to
pay?

The total mass of 45 guavas
and the basket is 24.99 kg. If the
basket weighs 0.24 kg, what is
the average mass of one guava?

Andy has enough money to buy
exactly 15 rulers which costs
25.75 Baht each. If each pencil
costs 10.50 Baht, what is the
maximum number of pencils that
he can buy with his money?

James has a ball of string. He
cuts out 25 pieces of string each
0.55 meter long and 12 pieces
of string each 0.35 meter long. If
he still has 12.05 meters of string
left, how long is the ball of string?

Pen X costs 16.25 Baht. Pen
Y is 3.50 Baht more expensive
than pen X. If Yin has 100 Baht,
what is the most number of pen Y
could she buy?

Min weighs 48.6 kg. David
weighs 2.8 kg lighter than Min. If
the total mass of David and Joe
is 95 kg, find the mass of Joe.

How much is 34% of 1,500?

What is 60% of 365 days?

On a certain day, there were a
total of 60 flights that took off from
an airport. If 15% of them were
not on time, what is the number
of flights that were not on time?

What is the percentage of 60 out
of 48?

What is 50 Satang out of 2 Baht
expressed as a percentage?

The sales tax on a 450-Baht pair
of shoes is 31.50 Baht. What
is the rate of the sales tax, in
percentage?

Zidane was late in paying his
monthly phone bill of 1,000 Baht
and was imposed a fine of 100
Baht. What is the percentage of
the fine out of his monthly phone
bill?

Elie spent 1,250 Baht on a watch.
If she sold it off for a profit of 12%
on the cost price, for how much
did she sell the watch?

Which of the following is the
equivalent fraction of 2.450?

Which of the following is not true?

Which of the following is true?

Convert 11/23 into the equivalent decimal, correct to 2 decimal places.

Kenny bought a motorcycle for
40,000 Baht and sold it off a few
months later at a loss of 13% on
the cost price. For how much did
he sell the motorcycle?

A salesman sold a vacuum
cleaner for 4,600 Baht. If he
earned a profit of 15% on the
cost price, for how much did he
buy the vacuum cleaner?

Jacky bought a computer for
35,000 Baht. Then, he sold it for
a profit of 5% on the cost price.
For how much did he sell his
computer?

The chair is sold for 253 Baht
with a profit of 15% on the cost
price. What was its cost?

If Franky sells his LCD television
for 28,000 Baht, he will incur a
12.5% loss on the cost price. If
he wants to make a profit of 5%
on the cost price, for how much
will he have to sell his LCD
television?

A vendor buys 200 ice creams
for a total of 3,000 Baht. He then
sells it off at 24 Baht each. What
is the percentage profit on the
cost price earned by the vendor?

Ake weighed 35 kg. After a few
years, his mass increased by
20%. What is his mass now?

What is the percentage change
from 4 days to 2 weeks?

Last year the zoo had 234,000
visitors. This year it had 269,100
visitors. What is the percentage
increase of visitors?

95% of the people in my street
have a car. There are 140 people
in my street. How many do not
have a car?

A town had a population of 50,000
in 2015. In 2016 it increased
by 25%. The following year its
population increased by 30%.
What was its population at the
end of 2017?

If Poy sells her digital camera
for 12,000 Baht, she will incur a
25% loss on the cost price. If she
wants to make a profit of 10%
on the cost price, for how much
will she have to sell her digital
camera?

There are 3 pencils and 5 erasers
in a bag. What is the ratio of the
number of erasers to the number
of pencils?

The picture above shows two
sets of shapes. What is the ratio
of the number of circles to the
number of triangles?

Find the ratio of the number of
circles to the number of all the
shapes.

The ratio of 1.5 m to 20 cm is

Which ratio is different from the
others?

In the word MATHEMATICS, the
ratio of the number of vowels to
the number of consonants is

A pet store has 8 cats, 12 dogs,
and 3 rabbits. The ratio 8 : 3
compares

List all the factors of 13?

List all the factors of 22?

List all the factors of 150?

On a tree, there are 13 flowers
and 7 fruits. What is the ratio
of the number of flowers to the
number of fruits?

A ratio equivalent to 3 : 7 is

The ratio 35 : 84 in its simplest
form is

In a class there are 25 boys and
15 girls. The ratio of the number
of boys to the number of girls is

7 : 12 is equivalent to

Which of the following is not
equivalent to 45 : 63?

Which pair of ratios is a
proportion?

Which pair of ratios is not
proportional?

The mass of 2 similar bags is
11 kg. What is the mass of 8
similar bags?

The ratio of the number of girls to
the number of boys participating
in the sports is 4 : 5. If the
number of girls is 212, determine
the number of boys participating
in the sports.

In a test, there are 40 questions.
Mike answers 32 questions
correctly. Find the ratio of the
number of questions answered
wrongly to the number of
questions answered correctly.

Mother mixed flour with water
to make pancakes. The ratio of
the mass of flour to the mass
of water she used is 5 : 2. If
she uses 300 g of water, how
much flour will she use to make
pancakes?

The ratio of the length of a
rectangle to its width is 3 : 4.
Find the area of the rectangle if
its length is 12 cm.

The diagram above shows a
solid which is made up of cubes
of edges of 1 cm. Find its volume,
in cubic centimeters.

The diagram above shows a solid
formed by combining several unit
cubes of edges of 1 m. What is
the volume of the solid?

What is the volume of the solid
shown above?

What is the volume of the solid
shown above?

How many cubes can fit in the
following shape? Assume that the
volume of a cube is 1 cm 3 .

How many cubes with edges of
2 cm are needed to fill the above
cuboid?

How many cubes with edges of
2 cm are needed to fill the above
cuboid?

The diagram above shows a
cube placed on a cuboid. What is
the total volume of both solids, in
cubic centimeters?

The solid above is made from
two similar cuboids. What is the
volume of the solid?

The shape above consists of
a cuboid and a cube. Find its
volume.

The shape above is made from
two identical cubes and a cuboid.
What is the volume of the shape?

The diagram below shows a cake
in the shape of a cuboid with the
base area of 160 cm 3 .

The cake has two layers. What is
the difference in volume between
the top layer and the bottom
layer?

The volume of each cuboid in
the diagram above is 180 cubic
centimeters. What is the value of
r?

What is the volume of the solid?

A fish tank is 50 centimeters
wide, 80 centimeters long and
60 centimeters tall. If Alvin uses
a 5-liter jug to fill up the tank with
water, how many times does he
fill up the jug?

A block of wood is 10 cm wide,
12 cm long and 3 cm thick. If
4 of these blocks are stacked
together, how much space will
they occupy?

The solid above consists of a
cuboid and a cube. The volume of
the cuboid is 3 times the volume
of the cube. Find the value of x.

List all the factors of 7?

List all the factors of 57?

A rectangular piece of sponge
is 10 cm long by 6.5 cm wide by
4 cm thick. If it is cut into 4 equal
pieces, what is the volume of
each piece?

A metal cube is 5 cm long. How
many such metal cubes can fit
into a 1.5 m long by 0.5 m wide by
0.5 m tall box?

John has a container which is
2 m long, 1.5 m wide and 3 m
tall. He fills 45 blocks of wood of
50 cm long, 100 cm wide and
20 cm tall each into the container.
How much empty space is left in
the container?

W hich diagram shows the
diameter of the circle correctly?

Which of the following states the
relationship between the radius
and the diameter of a circle
correctly?

Which of the following is the
correct formula for calculating the
area of a circle?

A circle has a radius of 3 cm.
What is the length of its
diameter?

What is the circumference of a
circle with a radius of 12 cm, if
π = 3.14?

What is the circumference of the
following circle if π = 3.14?

Which of the following circles has
the largest circumference?

The diagram below shows a
circle with a diameter of 14 cm.

What is the circumference of a
circle with an area of 314 square
centimeters, given that π = 3.14?

If the circumference of a circular sheet is 132 cm, what is its area if π = 22/7 ?

The area of a circle is 28.26 cm 2
.
What is its circumference if
π = 3.14?

The diameter of a wheel is 70 cm. What is the area of the wheel if π = 22/7 ?

The area of a circle is 616 cm2 . Using π = 22/7 , what is the diameter of the circle?

What is the area of the shaded
region in the diagram, if π = 3.14?

What is the name of the triangle
above?
I Isosceles triangle
II Equilateral triangle
III Acute triangle

• The base angles are the
same.
• Two sides have the same
length.
Which of the following triangles
does the information above
describe?

Which of the following is true
about the triangle above?

Look at the triangle above. What
is X?

Study the triangle above. If
∠SRT = 30°, ∠STR =

What is the value of an interior
angle of an equilateral triangle?

What is the perimeter of the
triangle above?

The diagram below shows a
triangle.

Find the perimeter of the triangle.

What is the area of the triangle
above?

The perimeter of a triangular
stamp is 7 cm. Its two similar
sides are 2 cm each. What is the
length of its base?

A triangular cloth has 3 equal
sides of 55 cm long. What is the
perimeter of the cloth?

Which of the following diagrams
is a heptagon?

What is the sum of interior angles
of a hexagon?

The size of each interior angle in
a regular polygon is 135°. How
many sides does the polygon
have?

What is the size of angle x of the
polygon?

The diagram below shows an
irregular polygon.

Find the size of angle x.

The four angles of a pentagon is
90°, 100°, 110° and 120°. What
is the size of the missing angle of
the pentagon?

Which of the following polygons
has the largest angle x?

What is the perimeter of the
polygon below?What is the perimeter of the
polygon below?

The diagram below shows a
regular polygon.

What is its perimeter?

The diagrams below show three
polygons.

Arrange the polygons starting
from the one with the smallest
perimeter.

The diagram below shows an
irregular polygon.

Find its perimeter.

The perimeter and apothem of
the regular pentagon is 42 cm
and 6.4 cm respectively. What is
the area of the pentagon?

What is the area of a regular
heptagon with each side
measuring 12 cm and apothem
measuring 12.8 cm?

Which of the following is not a
three-dimensional shape?

• Has a curved face
• Has a flat circular face
The information above describes
a shape. What is the shape?

Which of the following objects
does not have the shape of a
sphere?

Which shape has no curved
face?

This shape is three-
dimensional. It has a curved
face and two flat circular
faces. It has no vertices.

What is the shape?

Which of the following is true
about a pyramid?

A three-dimensional shape has
one curved face, no edges and
no vertices. What is the shape
known as?

Which of the following 3-D
shapes has no vertices?

The information below describes
a shape.

What is the shape?

Hexagonal pyramid

The net of a triangular pyramid
has……………………………triangles.

Which of the following is a net of
a cuboid?