P4 Mathematics SA2 2020 — Raffles Girls | Singapore Past Year Paper

Q: The value of the digit 5 in 75 143 is ____.

C. 5000. In 75 143, the digit 5 is in the thousands place, so its value is 5 × 1000 = 5000.

Q: Which of the following is not a factor of 54?

B. 8. Factors of 54 are 1, 2, 3, 6, 9, 18, 27, 54. 8 does not divide 54 exactly (54 ÷ 8 = 6 r 6), so 8 is not a factor.

Q: Find the length of the square.

A. 8 cm. Area of the square = 64 cm². Length = √64 = 8 cm.

Q: Shaun spent 2 hours 15 minutes watching cartoon. He spent 50 minutes less playing with his toys than watching cartoon. How long did he play with his toys?

B. 1h 25 min. 2 h 15 min − 50 min = 1 h 75 min − 50 min = 1 h 25 min.

Q: The bar graph shows different types of muffins baked by Mr Lim. What is the total number of muffins he baked?

D. 52. Chocolate = 25, Vanilla = 10, Strawberry = 17. Total = 25 + 10 + 17 = 52.

Q: 7 8/9 = ☐/9. What is the missing number in the box?

D. 71. 7 8/9 = (7 × 9 + 8)/9 = (63 + 8)/9 = 71/9. The missing number is 71.

Q: In which of the following numbers does the digit 4 stand for 4 tenths?

A. 13.45. The tenths place is the first digit after the decimal point. In 13.45, the digit 4 is in the tenths place, so it stands for 4 tenths.

Q: One of the lines in the figure is parallel to Line AB. Which line is parallel to AB?

D. EC. From the figure, line EC runs in the same direction as line AB (both horizontal-like), making them parallel.

Q: Arrange the following decimals from the smallest to the greatest. 7.3 , 0.73 , 7.03 , 0.37

A. 0.37 , 0.73 , 7.03 , 7.3. Comparing the decimals: 0.37 < 0.73 < 7.03 < 7.3.

Q: Which one of the following has 1/8 of the figure shaded?

B. (figure 2). The figure with 8 equal parts and 1 part shaded represents 1/8.

Q1 MCQ 1 mark

The value of the digit 5 in 75 143 is ____.

Q2 MCQ 1 mark

Which of the following is not a factor of 54?

Q3 MCQ 1 mark 🖼 Visual

Find the length of the square.

Q4 MCQ 1 mark

Shaun spent 2 hours 15 minutes watching cartoon. He spent 50 minutes less playing with his toys than watching cartoon. How long did he play with his toys?

Q5 MCQ 1 mark 🖼 Visual

The bar graph shows different types of muffins baked by Mr Lim. What is the total number of muffins he baked?

Q6 MCQ 2 marks

7 8/9 = ☐/9. What is the missing number in the box?

Q7 MCQ 2 marks

In which of the following numbers does the digit 4 stand for 4 tenths?

Q8 MCQ 2 marks 🖼 Visual

One of the lines in the figure is parallel to Line AB. Which line is parallel to AB?

Q9 MCQ 2 marks

Arrange the following decimals from the smallest to the greatest. 7.3 , 0.73 , 7.03 , 0.37

Q10 MCQ 2 marks 🖼 Visual

Which one of the following has 1/8 of the figure shaded?

Q11 MCQ 2 marks 🖼 Visual

The figure is made up of a square of sides 4 cm and a rectangle with a breadth of 9 cm. The perimeter of the figure is 64 cm. Find the length of the rectangle.

Q12 MCQ 2 marks

The mass of 4 identical bottles of milk is 3.6 kg. What is the mass of 5 such bottles of milk?

Q13 MCQ 2 marks 🖼 Visual

A square piece of paper is folded as shown below. Find ∠a.

Q14 MCQ 2 marks

There are some buttons in a jar. The number of green buttons is three times the number of blue buttons. The number of blue buttons is 2 times the number of red buttons. There are 32 blue buttons. How many more green buttons than red buttons are there?

Q15 MCQ 2 marks 🖼 Visual

Bala wants to buy a pair of sneakers. The price of the pair of sneakers can be divided by 3, 7 and 9. What is the lowest possible price of the pair of sneakers?

Q16 Open-ended 2 marks

Arrange the following numbers from the greatest to the smallest. 589 , 958 , 985 , 598

Q17 Open-ended 2 marks

Write 19/6 as a mixed number.

Q18 Open-ended 2 marks

3467 + 2156 = ____

Q19 Open-ended 2 marks 🖼 Visual

Measure and write down the size of ∠x.

Q20 Open-ended 2 marks

Find the value of 1 − 1/8 − 1/2.

Q21 Open-ended 2 marks 🖼 Visual

In the figure, PQRS is a rectangle. Find the value of ∠x.

Q22 Open-ended 2 marks

4.8 − 0.23 = ____

Q23 Open-ended 2 marks 🖼 Visual

In the figure, name the two angles that are greater than 90°.

Q24 Open-ended 2 marks

Express 56/100 as a decimal.

Q25 Open-ended 2 marks 🖼 Visual

Draw ∠PQR = 40° using the given line. Mark and label the angle.

Q26 Open-ended 2 marks 🖼 Visual

The table shows the different types of cupcakes sold by Mrs Lee. She sold 34 fewer vanilla cupcakes than chocolate cupcakes. How many cupcakes did Mrs Lee sell altogether?

Q27 Open-ended 2 marks

4 tables and 6 chairs cost $240. 7 tables and 6 chairs cost $540.90. Find the cost of 1 table.

Q28 Open-ended 2 marks

Rita bought her movie ticket at 11.35 a.m. After 30 minutes, the movie started. The movie ended at 2.25 p.m. How long was the movie?

Q29 Open-ended 2 marks 🖼 Visual

PQRS is a rectangle. ∠y is twice the size of ∠x. Find the value of ∠y.

Q30 Open-ended 2 marks 🖼 Visual

The figure shown is made up of Square A and Rectangle B. Square A has sides of 5 cm and Rectangle B has a breadth of 7 cm. The total area of the figure is 137 cm². What is the length of the rectangle?

Q31 Open-ended 2 marks 🖼 Visual

Kamal turned through an angle of 225° in an anti-clockwise direction and ended up facing the cinema. Where was he facing before the turn?

Q32 Open-ended 2 marks 🖼 Visual

The dotted line is a line of symmetry. Complete the symmetric figure with the dotted line as the line of symmetry.

Q33 Open-ended 2 marks 🖼 Visual

The graph shows the time taken by 4 children who took part in a running competition. How much faster did Kumar run than Harry?

Q34 Open-ended 2 marks

Ming Ming bought 7 rulers and a notebook for $6.60. A ruler cost $1 less than a notebook. How much did each ruler cost?

Q35 Open-ended 2 marks

Both Sean and Sally are above 10 years old. Sean is 6 years younger than Sally now. If the product of their age is 280, how old is Sally?

Q36 Structured 3 marks

Bill had $10.50. Mary had $4.50. Mary gave some money to Bill so that he had $10 more than Mary in the end. How much money did Mary give to Bill?

Q37 Structured 3 marks 🖼 Visual

The graph shows the number of siblings Primary 4 pupils have. a) How many pupils have only 1 sibling? b) How many pupils have at least 2 siblings?

Q38 Structured 3 marks

There were 20 pupils at a game station. Some pupils scored 4 points and some pupils scored 6 points. The total number of points scored by the pupils was 92. How many pupils scored 6 points in the game?

Q39 Structured 4 marks

According to Mr Tan's watch, he left home for Malaysia at 8.00 a.m. His watch was 20 min slower than the actual time. After driving for 2 h 40 min, he took a break of 45 min at Stop A. Then, he continued driving for 2 h 25 min before he reached his destination. a) How long did he spend driving? Express your answer in minutes. b) What was the actual time when he reached his destination?

Q40 Structured 4 marks

The mass of a laptop, 5 identical books and a vase was 8.8 kg. The mass of 5 such books was 3 kg. The laptop was 1 kg heavier than 3 such books. a) What was the mass of the 3 books? b) What was the mass of the vase?

Q41 Structured 4 marks

The length of a piece of cloth is 4 m long. Siti cut 3/5 m of the cloth to make a bag. She gave 1/4 m of the cloth to her friend. a) How much longer was the length of cloth used to make the bag than the cloth given to her friend? b) What was the length of the cloth left? Express your answer as a mixed number in its simplest form.

Q42 Structured 4 marks 🖼 Visual

The figure is divided into a square and three different rectangles. Find the area of rectangle X.

Q43 Structured 5 marks

Tank X and Tank Y had a total of 48.8 ℓ of oil. 8.2 ℓ of oil was poured from Tank X to Tank Y. After that, both the tanks had the same amount of oil. a) How much oil was in Tank Y at first? b) The remaining oil in Tank X was poured equally into 6 identical containers with no spillover. How much oil was there in each container? Round your answer to 1 decimal place.

Q44 Structured 5 marks

Mr Park sold fruits at the market. 1/2 of the fruits sold were pineapples, 3/8 of them were mangoes and the remaining fruits were papayas. There were 24 papayas. a) How many fruits did he sell? b) If the pineapples were sold at 3 for $19, how much did Mr Park collect from his sale of all the pineapples?

P4 Mathematics SA2 2020 — Raffles Girls

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