P4 Mathematics CA2 2021 — Henry Park

Q: 80 704 = 80 000 + ____ + 4 What is the missing number in the box?

C. 700. 80 704 = 80 000 + 700 + 4. The digit 7 is in the hundreds place, so the missing number is 700.

Q: What is the value of the digit 8 in 18 201?

A. 80 hundreds. In 18 201, the digit 8 is in the thousands place, with value 8 000. 8 000 = 80 hundreds.

Q: When a number is rounded off to the nearest hundreds, it is 16 800. Which of the following could not be the number?

D. 16 899. Numbers rounding to 16 800 must be in [16 750, 16 849]. 16 899 rounds to 16 900, so it cannot be the number.

Q: Mrs Lee bought 36 sets of stickers. Each set contains 78 stickers. How many stickers did Mrs Lee buy? Round your answer to the nearest ten.

D. 2810. 36 × 78 = 2808. Rounded to the nearest ten = 2810 (the ones digit 8 rounds up).

Q: Yasmine wants to shade 5/7 of the figure below. How many more squares must she shade?

A. 8. Figure has 14 squares (2 rows of 7). 5/7 of 14 = 10 squares should be shaded. 2 squares already shaded, so 10 − 2 = 8 more squares must be shaded.

P4 Mathematics 2021 CA2 20 questions 50 marks

Source: Henry Park, 2021

This P4 Mathematics CA2 paper from Henry Park (2021) contains 20 questions worth 50 marks. Use it as a study reference for Mathematics topics typically tested at P4 level in Singapore schools.

Q1 MCQ 2 marks

80 704 = 80 000 + ____ + 4 What is the missing number in the box?

Q2 MCQ 2 marks

What is the value of the digit 8 in 18 201?

Q3 MCQ 2 marks

When a number is rounded off to the nearest hundreds, it is 16 800. Which of the following could not be the number?

Q4 MCQ 2 marks

Mrs Lee bought 36 sets of stickers. Each set contains 78 stickers. How many stickers did Mrs Lee buy? Round your answer to the nearest ten.

Q5 MCQ 2 marks 🖼 Visual

Yasmine wants to shade 5/7 of the figure below. How many more squares must she shade?

Q6 Open-ended 2 marks

Write 40 092 in words.

Q7 Open-ended 2 marks

What is the product of 2608 and 9?

Q8 Open-ended 2 marks

Arrange the following fractions from the smallest to the greatest. 3/4 , 1/2 , 5/8

Q9 Open-ended 2 marks

What is the 6th multiple of 7?

Q10 Open-ended 2 marks

List all the common factors of 27 and 63.

Q11 Open-ended 2 marks

What is the remainder when 714 is divided by 4?

Q12 Open-ended 2 marks

Mr Samy can pack 1620 books in 3 days. He packs an equal number of books each day. How many books Mr Samy pack in a week?

Q13 Open-ended 2 marks

How many fifths are there in 2 wholes?

Q14 Open-ended 2 marks

Find the value of 1 − 7/12 − 1/4 in its simplest form.

Q15 Open-ended 2 marks

What is the difference between the smallest 4-digit number and the greatest 2-digit number?

Q16 Structured 4 marks

In a school, there were a total of 2147 pupils and teachers. There were 122 teachers. There were 433 more girls than boys. How many girls were there?

Q17 Structured 4 marks

Winson spent $180 to buy a total of 20 watermelons and durians. Each watermelon cost $5 and each durian cost $15. How many durians did Winson buy?

Q18 Structured 4 marks

Jon has 840 stamps and Ken has 1176 stamps. How many stamps must Ken give to Jon so that they will have the same number of stamps?

Q19 Structured 4 marks

Sally and Tim had a total of 1440 stickers at first. After Tim had given away 35 stickers, Sally had 4 times as many stickers as Tim. How many stickers did Sally have?

Q20 Structured 4 marks

Every month, Aaron spends 3/4 of his pocket money on food. He spends another 1/8 of it on transport and saves the rest. a) What fraction of the pocket money does Aaron spend more on food than on transport? b) What fraction of the pocket money does Aaron save?

P4 Mathematics CA2 2021 — Henry Park

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