P4 Mathematics SA2 2023 — CHIJ | Singapore Past Year Paper

Q: The value of the digit 5 in 89 503 is ____.

B. 500. In 89 503, the digit 5 is in the hundreds place, so its value is 5 × 100 = 500.

Q: Thirty-four thousand and sixty-two in figures is ____.

C. 34 062. Thirty-four thousand = 34 000, sixty-two = 62. Sum = 34 062.

Q: Which of the following when rounded to the nearest hundred gives 60 000?

B. 59 951. 59 599 → 59 600; 59 951 → 60 000 (51 ≥ 50 rounds up); 60 070 → 60 100; 60 140 → 60 100. Only 59 951 rounds to 60 000.

Q: What is the second common multiple of 4 and 6?

C. 24. Common multiples of 4 and 6 in order: 12, 24, 36, … The second is 24.

Q: The figure shown is made up of identical rectangles. What fraction of the figure is shaded?

C. 5/12. There are 12 identical rectangles in total, of which 5 are shaded, giving the fraction 5/12.

Q: Which of the following fractions is equivalent to 4/6?

D. 12/18. 4/6 = 2/3. Among the choices, 12/18 = 2/3, so it is equivalent.

Q: In the number 41.32, the digit ____ is in the hundredths place.

B. 2. In 41.32, the digit after the decimal point is 3 (tenths) and the next is 2 (hundredths). So 2 is in the hundredths place.

Q: Express 21/25 as a decimal.

D. 0.84. 21/25 = (21 × 4)/(25 × 4) = 84/100 = 0.84.

Q: In the figure, which angle is a right angle?

C. ∠y. The small square symbol marks the right angle, which is at ∠y.

Q: The figure below shows a rectangle. Its length is 3 times its breadth. Find its perimeter.

D. 40 cm. Breadth = 5 cm, so length = 3 × 5 = 15 cm. Perimeter = 2 × (15 + 5) = 40 cm.

Q1 MCQ 2 marks

The value of the digit 5 in 89 503 is ____.

Q2 MCQ 2 marks

Thirty-four thousand and sixty-two in figures is ____.

Q3 MCQ 2 marks

Which of the following when rounded to the nearest hundred gives 60 000?

Q4 MCQ 2 marks

What is the second common multiple of 4 and 6?

Q5 MCQ 2 marks 🖼 Visual

The figure shown is made up of identical rectangles. What fraction of the figure is shaded?

Q6 MCQ 2 marks

Which of the following fractions is equivalent to 4/6?

Q7 MCQ 2 marks

In the number 41.32, the digit ____ is in the hundredths place.

Q8 MCQ 2 marks

11.78 × 6 = ____

Q9 MCQ 2 marks

Express 21/25 as a decimal.

Q10 MCQ 2 marks 🖼 Visual

In the figure, which angle is a right angle?

Q11 MCQ 2 marks 🖼 Visual

The figure below shows a rectangle. Its length is 3 times its breadth. Find its perimeter.

Q12 MCQ 2 marks

Mr Ng took a flight from Singapore to Japan. He boarded the plane at 23 39 and reached Japan at 06 22 the next day. How long was the flight?

Q13 MCQ 2 marks 🖼 Visual

How many pupils in Class 4B chose orange as their favourite fruit?

Q14 MCQ 2 marks 🖼 Visual

Which fruit did most pupils choose?

Q15 MCQ 2 marks

Elize had a string that was 15.61 m long. She used 1.54 m to tie a parcel and cut the remaining string into 7 equal pieces. How long was each piece of string?

Q16 MCQ 2 marks

Kelly used 3/10 kg of coffee powder. She used 1/5 kg less coffee powder than Frances. How much coffee powder did they use altogether?

Q17 MCQ 2 marks 🖼 Visual

Which one of the following figures has more than one line of symmetry?

Q18 MCQ 2 marks 🖼 Visual

Look at the diagram below and answer the question. Isabelle is at Position X. She takes 2 steps to the north, 3 steps to the east, and 4 steps to the south. At which position will Isabelle be in the end?

Q19 MCQ 2 marks 🖼 Visual

Neeta used 52 tacks to pin her drawings side by side onto a board as shown below. How many drawings did she pin altogether?

Q20 Open-ended 2 marks

Fill in the blank with the correct number in the number pattern below. 875, 845, 815, ____, 755

Q21 Open-ended 2 marks 🖼 Visual

In the figure below, name the smallest angle.

Q22 Open-ended 2 marks

Write 20/9 as a mixed number.

Q23 Open-ended 2 marks

7.06 + 2 = ____

Q24 Open-ended 2 marks

The perimeter of a square is 76 cm. What is the area of the square?

Q25 Structured 2 marks 🖼 Visual

A bakery sold different flavours of cakes on Monday. The bar graph shows the number of different flavours of cakes sold by the bakery. (a) Use the data from the graph to complete the table below. (b) The bakery sold a total of 84 cakes of 2 flavours. Which were the 2 flavours?

Q26 Open-ended 2 marks 🖼 Visual

The time shown on the clock is 20 minutes faster than the actual time. What is the actual time?

Q27 Open-ended 2 marks

Liana started doing a science quiz at 12.42 p.m. There were 8 questions in this quiz. For the first 3 questions, Liana took 6 minutes to complete each question. For the remaining questions, she took 7 minutes to complete each question. At what time did Liana complete the quiz? Express your answer using the 24-hour clock.

Q28 Structured 2 marks 🖼 Visual

(a) Measure the length of the rectangle below. (b) Using the length you have measured in (a), find the area of the above rectangle.

Q29 Open-ended 2 marks

Which two of the fractions below are in the simplest form? 2/5, 3/6, 5/7, 6/8

Q30 Open-ended 2 marks

Find the value of 1 − 1/3 − 2/9.

Q31 Open-ended 2 marks 🖼 Visual

Write the decimal represented by X.

Q32 Open-ended 2 marks

Arrange the following numbers from the smallest to the greatest. 0.801, 0.081, 4/5

Q33 Open-ended 2 marks

Gareth spent $20.45 on a shirt. He spent $12.25 more on a belt than the shirt. How much money did Gareth spend on the shirt and belt altogether?

Q34 Structured 4 marks 🖼 Visual

Look at the diagram and answer the questions. (a) Sally was standing at point Z. After turning 135° anti-clockwise, she faced the supermarket. Where was Sally facing at first? (b) Chitra was standing at point Z, facing the hawker centre at first. She made a 1/4-turn in an anti-clockwise direction. She then turned through an angle in a clockwise direction. She faced the police post in the end. What was the angle that Chitra turned?

Q35 Structured 2 marks 🖼 Visual

Look at the diagram below to answer questions 35(a) and 35(b). In the square grid, (a) Point C is ____ of Point F. (b) Point E is south-west of Point ____.

Q36 Open-ended 2 marks

Some factors of 52 are 1, 2, 4 and 52. What are the other two factors of 52?

Q37 Open-ended 2 marks

Hidayah needs to pack some books into boxes of 3 or 8. The number of books is fewer than 50. What is the greatest number of books that Hidayah has to pack?

Q38 Structured 4 marks 🖼 Visual

The line graph shows the number of visitors at a museum last week. Study the line graph and answer questions 38 and 39. (a) Which of the following statement(s) is/are true? Tick (✓) in the box next to the correct statement(s). 1. 420 visitors were at the museum on Friday. 2. The total number of visitors who were at the museum on Saturday and Sunday was 1040. 3. There were 60 fewer visitors at the museum on Thursday than on Wednesday. (b) The number of visitors on Sunday was 5 times the number of visitors on Monday. How many visitors were at the museum on Monday?

Q39 Open-ended 2 marks 🖼 Visual

Which of the bar graphs shows the data in the line graph correctly? Tick (✓) in the box next to the correct bar graph.

Q40 Structured 3 marks 🖼 Visual

Look at the figure below. (a) What is the size of ∠ABC? (b) Complete the figure below to form rectangle PQRS. Use a pencil to draw the diagram and label it clearly.

Q41 Open-ended 3 marks

Johnny spent 1/2 of his salary on food and 1/7 on transport. In the end, he had $630 left. How much money did Johnny spend on transport?

Q42 Structured 4 marks

Mei Yi spent $14.90 on 4 erasers and 5 pencils. The total cost of 1 such eraser and 1 such pencil was $3.25. (a) How much did 1 such pencil cost? (b) Zachary bought 7 such pencils. He paid with a $50 note. How much change did Zachary receive?

Q43 Structured 4 marks

Priscilla, William and Victor had a total of 680 stickers. Victor had 180 fewer stickers than Priscilla and William had 20 more stickers than Priscilla. (a) How many stickers did Priscilla have? (b) Victor then bought some stickers. Priscilla had twice as many stickers as him in the end. How many stickers did Victor buy?

Q44 Open-ended 4 marks

Aqil collected 24 more stamps than Riley at first. After Aqil gave away 60 stamps, Riley had 4 times as many stamps as him. How many stamps did Aqil have at first?

Q45 Structured 4 marks 🖼 Visual

In the figure below, all the lines meet at right angles. (a) Find the length of EF. (b) Find the perimeter of the figure.

P4 Mathematics SA2 2023 — CHIJ

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