Q1
Open-ended
2 marks
🖼 Visual
ABCD is a rectangle as shown below. Find ∠BCA.
P4 Mathematics CA2 2023 — Henry Park
Source: Henry Park, 2023
This P4 Mathematics CA2 paper from Henry Park (2023) contains 12 questions worth 18 marks. Use it as a study reference for Mathematics topics typically tested at P4 level in Singapore schools.
Q2
Structured
🖼 Visual
There are 2 figures shown below. Put a tick (✔) if the figure is symmetric and a cross (X) if the figure is not symmetric.
Qn
(a)
(b)
Q3
Open-ended
2 marks
Arrange these numbers in descending order.
2.04, 4.2, 2.402, 4.204
Q4
Open-ended
2 marks
Divide 82.23 by 3.
Q5
Structured
🖼 Visual
(a) The square grid shows the side AB of square ABCD. Complete the square ABCD by drawing 3 more lines in the grid. Label the square.
(b) Shade 3 more squares to complete the figure with PQ as the line of symmetry.
Q6
Structured
(a) Express 0.85 as a fraction in its simplest form.
(b) Express 7/25 as a decimal.
Q7
Open-ended
2 marks
The mass of a laptop is 1.32 kg. The mass of a tablet is 0.28 kg less than the laptop. What is the mass of the tablet?
Q8
Structured
🖼 Visual
(a) Complete the symmetric figure with line AB as the line of symmetry.
(b) Is XY a line of symmetry for the following figures?
(I)
(II)
Q9
Open-ended
3 marks
Mr Lim bought a shirt which cost $23.80 and a pair of pants which cost $49.70. He gave the cashier $100. How much change did he receive?
Q10
Structured
2 marks
The total mass of a box and a book is 2.55 kg. When some files are added into the box, the total mass becomes 3.1 kg. The book is 4 times as heavy as the files.
a) What is the mass of the files?
b) What is the mass of the box when it is empty? Give your answer in kilograms.
Q11
Structured
2 marks
A jar can contain twice as much orange juice as a bottle. 3 such bottles and 2 such jars can contain 196.21 l of orange juice in total.
a) How much orange juice can 1 such bottle contains?
b) How much orange juice does 2 jars contain?
Q12
Open-ended
3 marks
Tommy and Siti have some rice. The total mass of the rice is 789.4 kg. When Siti gives Tommy 36.8 kg of rice, they will have the same mass of rice each. What was the mass of rice Tommy had at first?