D. 6540. 436 × 15 = 436 × 10 + 436 × 5 = 4360 + 2180 = 6540.

P4 Mathematics SA1 2023 — St Hildas

Q: Which digit in 98 150 is in the thousands place?

C. 8. In the number 98 150, the digits from left to right are: 9 (ten thousands), 8 (thousands), 1 (hundreds), 5 (tens), 0 (ones). The digit in the thousands place is 8.

Q: Which of the following is a multiple of 7?

B. 21. 21 = 7 × 3, so 21 is a multiple of 7. The other numbers (17, 27, 47) are not divisible by 7.

Q: Which of the following is not a factor of 42?

D. 8. Factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42. The number 8 is not a factor of 42 because 42 ÷ 8 = 5 remainder 2.

Q: Ninety-five thousand, seven hundred and thirty-six in numerals is ____.

D. 95 736. Ninety-five thousand = 95 000, seven hundred = 700, thirty-six = 36. Summing: 95 000 + 700 + 36 = 95 736.

Q: 4024 babies were born in March. The number of babies born in March was 1097 fewer than the number of babies born in January. How many babies were born in January?

D. 5121. Babies in January = babies in March + 1097 = 4024 + 1097 = 5121.

Q: Which of the following is a multiple of both 3 and 8?

B. 24. A multiple of both 3 and 8 must be a multiple of 24 (LCM of 3 and 8). 24 = 3 × 8 = 8 × 3, so 24 is the correct answer.

Q: Samantha is less than 17 years old this year. Her age last year was a multiple of 5. Her age this year is a multiple of 4. What is Samantha's age this year?

A. 16. Less than 17 and multiple of 4: possible ages are 4, 8, 12, 16. Last year's age (this year - 1) must be a multiple of 5: 3, 7, 11, 15. Only 15 is a multiple of 5, so Samantha is 16 this year.

Q: Raja wanted to buy a new piano which costs $3483. He had been saving for 9 months but he was still short of $1647. He saved an equal amount of money each month. How much did Raja save each month?

C. $204. Amount saved in 9 months = $3483 − $1647 = $1836. Monthly savings = $1836 ÷ 9 = $204.

P4 Mathematics 2023 SA1 22 questions 48 marks

Source: St Hildas, 2023

This P4 Mathematics SA1 paper from St Hildas (2023) contains 22 questions worth 48 marks. Use it as a study reference for Mathematics topics typically tested at P4 level in Singapore schools.

Q1 MCQ 2 marks

Which digit in 98 150 is in the thousands place?

Q2 MCQ 2 marks

Which of the following is a multiple of 7?

Q3 MCQ 2 marks

Which of the following is not a factor of 42?

Q4 MCQ 2 marks

Multiply 436 by 15.

Q6 MCQ 2 marks

Ninety-five thousand, seven hundred and thirty-six in numerals is ____.

Q7 MCQ 2 marks

4024 babies were born in March. The number of babies born in March was 1097 fewer than the number of babies born in January. How many babies were born in January?

Q8 MCQ 2 marks

Which of the following is a multiple of both 3 and 8?

Q9 MCQ 2 marks

Samantha is less than 17 years old this year. Her age last year was a multiple of 5. Her age this year is a multiple of 4. What is Samantha's age this year?

Q10 MCQ 2 marks

Raja wanted to buy a new piano which costs $3483. He had been saving for 9 months but he was still short of $1647. He saved an equal amount of money each month. How much did Raja save each month?

Q11 Open-ended 2 marks

Write the missing number in the number pattern below. 68 501, 70 501, 72 501, ____, 76 501, 78 501

Q12 Open-ended 2 marks

Some factors of 36 are 1, 2, 3, 4, 6, 12, 36. What are the other two factors of 36?

Q13 Open-ended 2 marks

Two of the common factors of 12 and 18 are 1 and 2. What are the other 2 common factors of 12 and 18?

Q14 Open-ended 2 marks

Find the product of 283 and 28.

Q15 Open-ended 2 marks

Find the quotient when 6300 is divided by 3.

Q16 Open-ended 2 marks 🖼 Visual

Arrange the following numbers from the smallest to the greatest. 71 095, 78 059, 69 590, 72 950 ____, ____, ____, ____ (smallest)

Q17 Open-ended 2 marks

The number of people in a concert rounded to the nearest hundred is 55 100. What is the greatest possible number of people in the stadium?

Q18 Open-ended 2 marks

Gopal has a number card. The number on the card is a factor of 36 and a multiple of 3. It is more than 12 but less than 20. What is the number on Gopal's card?

Q19 Open-ended 2 marks

A number is between 40 and 50. It is also a multiple of 6. When it is divided by 8, there is no remainder. What is the number?

Q20 Open-ended 2 marks 🖼 Visual

★ × 6 = ♡ ♡ × 3 = 4608 The value of ★ is ____.

Q21 Structured 3 marks

Carrie earns $75 a day on weekdays. She is paid twice as much on Saturdays. She worked for 21 weekdays and a Saturday in a particular month. (a) How much does Carrie earn on a Saturday? (b) How much did Carrie earn for that month?

Q22 Structured 3 marks

A fruit seller had 106 boxes of oranges. There were 24 oranges in each box. He sold all the oranges at 8 for $5. (a) How many oranges did the fruit seller have altogether? (b) How much money did he receive from the sale of all the oranges?

Q23 Structured 4 marks

Siti and Alexis collected the same number of stamps. Siti gave away 64 of her stamps and Alexis gave away 121 of her stamps. In the end, Siti had 4 times as many stamps as Alexis. How many stamps did each of them collect?

P4 Mathematics SA1 2023 — St Hildas

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