A. 45°. Reading the protractor with PQ on the 0° baseline (P on the left at 180°, R on the right at 0°), ray QS lands at 45° when measured from QR.

P4 Mathematics SA1 2021 — Methodist Girls | Singapore Past Year Paper

Q: Fifty-six thousand, two hundred and four written as numeral is ____.

C. 56 204. Fifty-six thousand = 56 000, two hundred = 200, four = 4. Sum = 56 204.

Q: Which one of the following is equal to 37 056?

D. 30 000 + 7000 + 50 + 6. 37 056 = 30 000 + 7000 + 50 + 6 in expanded form.

Q: Which one of the following numbers has the digit '5' in both the tens and thousands places?

C. 75 058. In 75 058: tens digit = 5, thousands digit = 5. Both positions have '5'.

Q: Which one of the following is the first common multiple of 6 and 8?

B. 24. Multiples of 6: 6, 12, 18, 24… Multiples of 8: 8, 16, 24… The first (smallest) common multiple is 24.

Q: Which one of the following is not a factor of 28?

C. 3. Factors of 28: 1, 2, 4, 7, 14, 28. 3 is not a factor because 28 ÷ 3 leaves a remainder.

Q: Express 42/8 as a mixed number.

C. 5 1/4. 42 ÷ 8 = 5 remainder 2, so 42/8 = 5 2/8 = 5 1/4 in simplest form.

Q: 2345 bottles of water were given out daily at a concert. How many bottles of water were given out for 6 days?

B. 14 070. 2345 × 6 = 14 070 bottles.

Q: Which one of the following numbers is the smallest possible number to give 55 000 when rounded to the nearest 1000?

C. 54 500. To round up to 55 000 to the nearest 1000, the number must be ≥ 54 500. The smallest such number among the options is 54 500.

Q: Arrange the following from the greatest to the smallest. 2/3, 1/2, 7/12

D. 2/3, 7/12, 1/2. Convert to twelfths: 2/3 = 8/12, 1/2 = 6/12, 7/12 = 7/12. Greatest → smallest: 8/12, 7/12, 6/12 → 2/3, 7/12, 1/2.

Q1 MCQ 2 marks

Fifty-six thousand, two hundred and four written as numeral is ____.

Q2 MCQ 2 marks

Which one of the following is equal to 37 056?

Q3 MCQ 2 marks

Which one of the following numbers has the digit '5' in both the tens and thousands places?

Q4 MCQ 2 marks

Which one of the following is the first common multiple of 6 and 8?

Q5 MCQ 2 marks

Which one of the following is not a factor of 28?

Q6 MCQ 2 marks

Express 42/8 as a mixed number.

Q7 MCQ 2 marks

2345 bottles of water were given out daily at a concert. How many bottles of water were given out for 6 days?

Q8 MCQ 2 marks

Which one of the following numbers is the smallest possible number to give 55 000 when rounded to the nearest 1000?

Q9 MCQ 2 marks 🖼 Visual

What is ∠SQR?

Q10 MCQ 2 marks

Arrange the following from the greatest to the smallest. 2/3, 1/2, 7/12

Q11 MCQ 2 marks 🖼 Visual

Titus is facing North-West. If he turns in an anti-clockwise direction, what is the angle that he needs to turn to face south?

Q12 MCQ 2 marks

Ali bought a rope which was 28 m long. He used 2/7 of it to tie some boxes. What was the length of rope he used?

Q13 MCQ 2 marks

Packet A contains 5/6 kg of flour. It has 1/4 kg more flour than Packet B. How much flour are there in Packet B? Give your answer in the simplest form.

Q14 MCQ 2 marks 🖼 Visual

In the figure below, which angle is smaller than a right angle?

Q15 MCQ 2 marks

Mei Ling needs to prepare 216 bouquets of 8 roses each. How many roses does she need in total?

Q16 MCQ 2 marks

Gopal bought 7 identical watches at $275 each. He was then left with $28. How much money had Gopal at first?

Q17 MCQ 2 marks 🖼 Visual

What is the area of the shaded figure?

Q18 MCQ 2 marks 🖼 Visual

Find the perimeter of the following figure.

Q19 Open-ended 2 marks

____________ is 1000 less than 32 186.

Q20 Open-ended 2 marks

Use the digits below to form the smallest 5-digit odd number. The digit in the hundreds place is twice the digits in the tens place. 0, 1, 2, 3, 4

Q21 Open-ended 2 marks 🖼 Visual

How many more triangles must be shaded so that 3/4 of the figure is shaded?

Q22 Open-ended 2 marks

Siti writes a number on a piece of paper. The number is more than 10 but less than 20. It is a factor of 24. It is also a multiple of 3. What is the number written by Siti?

Q23 Open-ended 2 marks 🖼 Visual

What is the missing number in the box? Complete the number pattern.

Q24 Open-ended 2 marks

Sarah spent $54 on art materials. She spent 2/9 of her money on crayons. She spent the rest on paint. How much did she spend on paint?

Q25 Open-ended 2 marks

43/5 = 8 □/10 What is the missing number in the box?

Q26 Open-ended 2 marks

A tin of cookies weighed 250 g. Miss Lim ordered 24 such tins of cookies. What was the total mass of cookies Miss Lim ordered?

Q27 Structured 2 marks 🖼 Visual

(a) Jessie is at the Dental clinic. In which direction is the Art room from the Dental clinic? (b) Peter is at the bookshop facing East. If he wants to face the canteen, he has to turn through an angle of ______ clockwise direction.

Q28 Open-ended 2 marks

Jane is in the canteen facing North. She then turned 225° in a clockwise direction. Which place would Jane be facing?

Q29 Open-ended 2 marks 🖼 Visual

In the space below, draw ∠EFG = 68°. The line EF has been drawn for you. Mark and label the angle.

Q30 Open-ended 2 marks

An even number when rounded to the nearest hundred is 6 500. What is the greatest possible value of this number?

Q31 Open-ended 2 marks

Chef Chan prepared some beef pies and 4302 chicken pies. The number of chicken pies is 9 times the number of beef pies. How many beef pies did Chef Chan prepare?

Q32 Open-ended 2 marks

Muffins are sold in boxes of 8. Jenny needs 100 muffins for a party. What is the least number of boxes of muffins she should buy?

Q33 Open-ended 2 marks 🖼 Visual

The figure below shows a rectangle. ∠x is equals to ∠y. What is ∠y?

Q34 Structured 2 marks 🖼 Visual

DEFG is a square. Name a pair of perpendicular and parallel lines.

Q35 Open-ended 2 marks

A bag of onions weighs 1/10 kg. It weighs 3/5 kg lighter than a bag of potatoes. What is the total mass of a bag of onions and a bag of potatoes? Give your answer in its simplest form.

Q36 Open-ended 2 marks

The difference between two strings is 2/9 m. The longer string is 5/6 m. What is the length of the shorter string? Give your answer in its simplest form.

Q37 Structured 3 marks

Ravi has 4 times as much money as Bala. They have $6000 in total. (a) How much money has Bala? (b) How much more money has Ravi than Bala?

Q38 Open-ended 3 marks

Alice scored 120 points less than Betty. Cathy scored 54 points more than Alice. They scored a total of 1518 points. How many points did Alice score?

Q39 Open-ended 3 marks

John is thinking of a 3-digit number. When this number is divided by 4 or 6, it does not have a remainder. The number is between 121 and 135. What is the number John is thinking of?

Q40 Open-ended 3 marks

There are a total of 121 apples, oranges and pineapples in a basket. 66 of them are apples and 15 are oranges. What fraction of the fruits are made up of oranges and pineapples?

Q41 Structured 4 marks

There was 11/12 ℓ of water in a tank. Raju used 1/3 ℓ of it to water his plants. The next day, he added 3/4 ℓ of water into the tank. (a) How much water was left in the tank after Raju watered his plants? (b) How much water was there in the tank in the end? Give your answer as a mixed number in the simplest form.

Q42 Open-ended 4 marks

A printer cost $300 less than a tablet. A school paid $9630 for 2 tablets and 5 printers. What was the cost of 1 printer?

Q43 Structured 4 marks

Two bakers prepared 2928 buns each. Baker A packed the buns he prepared into packets of 6. Baker B packed the buns he prepared into packets of 4. (a) How many packets of 6 buns were packed by Baker A? (b) How many more packets of buns did Baker B pack than Baker A?

Q44 Open-ended 4 marks

Ali, Meng and Raju had 473 marbles altogether. Meng had 3 times as many marbles as Ali. Raju had 68 marbles more than Ali. How many marbles did Meng have?

P4 Mathematics SA1 2021 — Methodist Girls

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