P4 Mathematics SA1 2023 — Pei Hwa

Q: 94 072 = 90 000 + ? + 70 + 2 What is the missing number in the box?

(2) 4000. To find the missing number, subtract the known values from the total: 94 072 - 90 000 - 70 - 2 = 4000. The missing number in the box is 4000.

Q: What is the value of digit 7 in 32 718?

(3) 700. In the number 32 718, the digit 7 is in the hundreds place. Therefore, its value is 7 multiplied by 100, which is 700.

Q: Arrange the following numbers from the greatest to the smallest.

(3) 85 917 58 719 58 197. The given numbers are 58 719, 85 917, and 58 197. 1. Compare the thousands digits: 85 917 is the largest. 2. Compare 58 719 and 58 197. The hundreds digit for 58 719 is 7, and for 58 197 is 1. So, 58 719 is greater than 58 197. Arranging from greatest to smallest: 85 917, 58 719, 58 197.

Q: Which of the following is not a common factor of 12 and 16?

(3) 3. Factors of 12 are: 1, 2, 3, 4, 6, 12. Factors of 16 are: 1, 2, 4, 8, 16. Common factors of 12 and 16 are: 1, 2, 4. The number 3 is a factor of 12 but not a factor of 16, so it is not a common factor.

Q: Find the product of 17 and 473.

(4) 8041. To find the product of 17 and 473: 473 x 17 ----- 3311 (473 × 7) + 4730 (473 × 10) ----- 8041 The product is 8041.

Q: The figure shows part of a scale. Round the reading shown to the nearest hundred.

(1) 400. The scale shows major markings at 450 and 500. There are 5 intervals between 450 and 500, so each interval represents (500 - 450) / 5 = 10 units. The arrow points to the mark one interval to the left of 450, which is 450 - 10 = 440. To round 440 to the nearest hundred, we compare it to 450. Since 440 is less than 450, it rounds down to 400.

Q: An adult ticket cost $5 and a child ticket cost $2. There were as many children as adults at the funfair. The total amount of money collected from the admission tickets was $9520. How many people were at the funfair altogether?

(4) 2720. Let the number of adults be 'x'. Since there were as many children as adults, the number of children is also 'x'. Cost for one adult and one child = $5 + $2 = $7. If there are 'x' adults and 'x' children, the total cost for these 2x people is x * ($5 + $2) = $7x. The total amount collected was $9520. So, 7x = 9520 x = 9520 / 7 = 1360 This means there were 1360 adults and 1360 children. Total number of people at the funfair = number of adults + number of children = 1360 + 1360 = 2720.

P4 Mathematics 2023 SA1 15 questions 22 marks

Source: Pei Hwa, 2023

This P4 Mathematics SA1 paper from Pei Hwa (2023) contains 15 questions worth 22 marks. Use it as a study reference for Mathematics topics typically tested at P4 level in Singapore schools.

Q1 MCQ 1 mark

94 072 = 90 000 + ? + 70 + 2 What is the missing number in the box?

Q2 MCQ 1 mark

What is the value of digit 7 in 32 718?

Q3 MCQ 1 mark 🖼 Visual

Arrange the following numbers from the greatest to the smallest.

Q4 MCQ 1 mark

Which of the following is not a common factor of 12 and 16?

Q6 MCQ 1 mark

Find the product of 17 and 473.

Q7 MCQ 2 marks 🖼 Visual

The figure shows part of a scale. Round the reading shown to the nearest hundred.

Q8 MCQ 2 marks

An adult ticket cost $5 and a child ticket cost $2. There were as many children as adults at the funfair. The total amount of money collected from the admission tickets was $9520. How many people were at the funfair altogether?

Q9 Structured 2 marks

(a) Write thirty-two thousand and eighty in numerals. (b) Complete the number pattern. 31 238, 36 238, 41 238, _____, 51 238

Q10 Structured 2 marks

(a) What is the largest multiple of 6 that is smaller than 50. (b) What is the common factor of 15 and 24 that is greater than 1.

Q11 Structured 2 marks

The mass of a papaya when rounded to the nearest hundred is 300 g. (a) What is the smallest possible mass of the papaya? (b) What is the greatest possible mass of the papaya?

Q12 Structured 2 marks

Mr Tan made some apple juice. He drank 320 ml of apple juice and divided the remaining equally into 8 glasses. Each glass contained 275 ml of apple juice. How many millilitres of apple juice did he make?

Q13 Structured 2 marks 🖼 Visual

Denzel forms 4-digit numbers using each of the digits 1, 2, 5 and 7 once. Each of the statements below is either true or false. For each statement, put a tick (✔) to indicate your answer. (a) The greatest possible number he can form is 7521. (b) The smallest possible number he can form is a multiple of 3. (c) He can form 5 different even numbers.

Q14 Structured

Amelia has 9 more marbles than Caleb. She has 12 less marbles than Bala. They have 3795 marbles altogether. (a) How many more marbles does Bala have than Caleb? (b) How many marbles does Caleb have?

Q15 Structured 3 marks

Paul had 24 more books than Queenie. After Queenie gave Paul 60 books, Paul had 7 times as many books as Queenie. How many books did Queenie have at first?

Q16 Structured

Shop A and Shop B sells the same watch. (a) Which shop sells the watch for a lower price? (b) Jacob bought some watches from Shop B. Andre spent the same amount of money as Jacob at Shop A. Andre bought 8 more watches than Jacob.. How many watches did Jacob buy?

P4 Mathematics SA1 2023 — Pei Hwa

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