P4 Mathematics SA1 2023 — Maha Bodhi

Q: What is the value of the digit 9 in 69 071?

C. 9000. In 69 071, the digit 9 is in the thousands place, so its value is 9 × 1000 = 9000.

Q: Which angle is greater than 90° but smaller than 180°?

A. ∠a. An obtuse angle is greater than 90° but smaller than 180°. From the figure with four angles a, b, c, d formed by two intersecting lines, angle a is the obtuse angle.

Q: Round 28 400 to the nearest thousand.

B. 28 000. The hundreds digit of 28 400 is 4, which is less than 5, so we round down. 28 400 rounded to the nearest thousand is 28 000.

Q: How many common multiples do 4 and 6 have between 20 and 40?

B. 2. Common multiples of 4 and 6 are multiples of 12: 12, 24, 36, 48, ... Between 20 and 40, the common multiples are 24 and 36, giving 2 common multiples.

Q: Jia Qi is facing east. She makes a 1/2-turn and then a 3/4-turn clockwise. She has to turn through an angle of _______ in an anti-clockwise direction to face east again.

D. 90°. 1/2-turn = 180° and 3/4-turn = 270°. Total clockwise turn = 180° + 270° = 450° = 360° + 90°. So she is now facing 90° clockwise from east (i.e. south). To face east again, she must turn 90° anti-clockwise.

P4 Mathematics 2023 SA1 13 questions 30 marks

Source: Maha Bodhi, 2023

This P4 Mathematics SA1 paper from Maha Bodhi (2023) contains 13 questions worth 30 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 9 in 69 071?

Q2 MCQ 2 marks 🖼 Visual

Which angle is greater than 90° but smaller than 180°?

Q3 MCQ 2 marks

Round 28 400 to the nearest thousand.

Q4 MCQ 2 marks

How many common multiples do 4 and 6 have between 20 and 40?

Q5 MCQ 2 marks

Jia Qi is facing east. She makes a 1/2-turn and then a 3/4-turn clockwise. She has to turn through an angle of _______ in an anti-clockwise direction to face east again.

Q6 Open-ended 2 marks 🖼 Visual

What is the size of ∠x?

Q7 Open-ended 2 marks

Divide 6394 by 7. What is the remainder?

Q8 Open-ended 2 marks

List all the common factors of 12 and 16.

Q9 Open-ended 2 marks 🖼 Visual

Sonia was standing at point X. She turned through an angle of 180° and made another 1/4-turn in an anti-clockwise direction. She faced the fire station in the end. Where was Sonia facing at first?

Q10 Open-ended 2 marks

Alex has a number card. The number on the card is a factor of 20 and a multiple of 4. It is greater than 5. What is the number on Alex's card?

Q11 Structured 3 marks

Jenny is between 20 and 45 years old. Her present age can be divided exactly by 6. In 4 years' time, her age can be divided exactly by 5. How old is Jenny now?

Q12 Structured 3 marks

Jason has 284 stamps. He has 4 times as many stamps as Kim. Leah has twice as many stamps as Kim. How many stamps do they have altogether?

Q13 Structured 4 marks

Mrs Tan has 81 trays of eggs. Each tray has 8 eggs. She arranges all the eggs equally into 9 baskets. (a) How many eggs are there altogether? (b) How many eggs are there in each basket?

P4 Mathematics SA1 2023 — Maha Bodhi

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