P4 Mathematics CA2 2023 — Red Swastika

Q: What is the value of the digit 5 in 87.654?

C. 0.05. In 87.654, the digit 5 is in the hundredths place, so its value is 5 × 0.01 = 0.05.

Q: Which of the following is equal to 2 5/7?

C. 19/7. Convert mixed number to improper fraction: 2 5/7 = (2 × 7 + 5)/7 = (14 + 5)/7 = 19/7.

Q: Which letter below is not symmetrical? T O W N

D. N. T has a vertical line of symmetry, O has multiple lines of symmetry, W has a vertical line of symmetry, but N has no line of symmetry (it only has rotational symmetry).

Q: Which of the following decimals is the smallest?

B. 4.123. Compare decimals: all start with 4, then compare tenths: 4.123 and 4.132 have 1 tenth (smaller than 4.231 and 4.321). Between 4.123 and 4.132, compare hundredths: 2 < 3, so 4.123 is the smallest.

Q: 7.2 = 7 + 1/____ What is the missing number in the box?

A. 5. 7.2 - 7 = 0.2 = 2/10 = 1/5. So the missing number is 5.

Q: Mark is 1.55 m tall. He is 0.4 m shorter than Alan. What is Alan's height?

D. 1.95 m. Mark is 0.4 m shorter than Alan, so Alan = Mark + 0.4 = 1.55 + 0.4 = 1.95 m.

Q: Lynn bought 5 kg of cherries. She gave the cashier $100 and received $32 change. Find the cost of 1 kg of cherries.

A. $13.60. Total cost for 5 kg = $100 - $32 = $68. Cost of 1 kg = $68 ÷ 5 = $13.60.

Q: Gopal saved $2.50 for every $8 he had. If he had $72, how much did he save?

B. $22.50. Number of $8 groups in $72 = 72 ÷ 8 = 9. Total saved = 9 × $2.50 = $22.50.

Q: May and her 3 friends bought a cake that cost $24.60. The cost was shared equally among May and her friends. How much did each person pay for the cake?

A. $6.15. Total people = May + 3 friends = 4. Each person paid = $24.60 ÷ 4 = $6.15.

Q: David spent 4/9 of his money and had $80 left. How much money did he have at first?

C. $144. If 4/9 was spent, then 5/9 was left = $80. So 1/9 = $80 ÷ 5 = $16. Total (9/9) = 9 × $16 = $144.

P4 Mathematics 2023 CA2 18 questions 40 marks

Source: Red Swastika, 2023

This P4 Mathematics CA2 paper from Red Swastika (2023) contains 18 questions worth 40 marks. Use it as a study reference for Mathematics topics typically tested at P4 level in Singapore schools.

Q1 MCQ 2 marks

What is the value of the digit 5 in 87.654?

Q2 MCQ 2 marks

Which of the following is equal to 2 5/7?

Q3 MCQ 2 marks 🖼 Visual

Which letter below is not symmetrical? T O W N

Q4 MCQ 2 marks

Which of the following decimals is the smallest?

Q5 MCQ 2 marks

7.2 = 7 + 1/____ What is the missing number in the box?

Q6 MCQ 2 marks

Mark is 1.55 m tall. He is 0.4 m shorter than Alan. What is Alan's height?

Q7 MCQ 2 marks

Lynn bought 5 kg of cherries. She gave the cashier $100 and received $32 change. Find the cost of 1 kg of cherries.

Q8 MCQ 2 marks

Gopal saved $2.50 for every $8 he had. If he had $72, how much did he save?

Q9 MCQ 2 marks

May and her 3 friends bought a cake that cost $24.60. The cost was shared equally among May and her friends. How much did each person pay for the cake?

Q10 MCQ 2 marks

David spent 4/9 of his money and had $80 left. How much money did he have at first?

Q11 Structured 2 marks 🖼 Visual

(a) Write the fraction represented by X. (b) Arrange the following numbers from the smallest to the largest. 3.5 , 3.05 , 3 1/100

Q12 Structured 2 marks

(a) Write 4 7/20 as a decimal. (b) Express 5.2 as a mixed number in its simplest form.

Q13 Open-ended 2 marks 🖼 Visual

Complete the symmetric figure below with XY as the line of symmetry.

Q14 Open-ended 2 marks

Linda wanted to buy a notebook that cost $3.90 and a pen that cost $1.50. After checking her wallet, she found that she was short of $0.60. How much money was in her wallet?

Q15 Open-ended 2 marks

A bag of potatoes is 2/5 kg heavier than a bag of tomatoes. The bag of tomatoes has a mass of 5/8 kg. What is the mass of the bag of potatoes? Leave your answer in mixed number.

Q16 Open-ended 2 marks

Juliet baked some chocolate and oatmeal cookies. She baked 12 chocolate cookies and 5/8 of the cookies were oatmeal. Her mother gave her another 8 oatmeal cookies. What fraction of the cookies were chocolate?

Q17 Open-ended 4 marks 🖼 Visual

In a bakery, the cost of a muffin and a pie is as shown below. Muffin $2.40, Pie $3.60. Mrs Toh bought an equal number of muffins and pies and paid $54. How much did Mrs Toh pay for the muffins?

Q18 Structured 4 marks

Bryan had some money. He spent 1/2 of his money on a watch, 1/5 of his money on two T-shirts and saved the rest. He saved $60. (a) What fraction of his money did he save? (b) How much does each T-shirt cost?

P4 Mathematics CA2 2023 — Red Swastika

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