Primary 4 Maths Weighted Assessment 3 (WA3) – Test 2

1. The table below shows the number of donuts Mrs Baker sold on Monday.
How many chocolate donuts were sold on Monday?

Day	Glazed Donuts	Chocolate Donuts	Total
Monday	145	?	325

📖 REMINDER: Subtract the number of glazed donuts from the total to find the number of chocolate donuts

1. 170

2. 180

>

3. 190

4. 470

2. Name the angle shown in the diagram.

📖 REMINDER: The middle letter in the angle name represents the vertex (corner point) of the angle.

1. ∠XYZ

2. ∠YZX

3. ∠ZXY

4. ∠XZY

3. In the figure below (a parallelogram), how many angles are smaller than a right angle?

Answer: {{{2}}}

📖 REMINDER: A right angle is 90°. An acute angle is smaller than a right angle. An obtuse angle is larger than a right angle.

1. 1

2. 2

3. 3

4. 4

4. Express 3 ²⁄₇ as an improper fraction.

📖 REMINDER: Multiply the whole number by the denominator, then add the numerator. Keep the same denominator.

1. ⁹⁄₇

2. ¹⁷⁄₇

3. ²¹⁄₇

4. ²³⁄₇

5. What is ³⁄₅ of 40?

📖 REMINDER: "Of" means multiply. Find the fraction of a number by multiplying the fraction by the number.

1. 15

2. 24

3. 125

4. 200

6. Find the sum of ¹⁄₄ and ¹⁄₃.

📖 REMINDER: To add fractions, they must have the same denominator. Find a common denominator first.

7. The line graph shows the number of visitors to a Science Museum from May to August.

The greatest decrease in the number of visitors is from ______ to ______

📖 REMINDER: Read the values from the graph for each month, then calculate the decreases between consecutive months.

1. May to June

2. June to July

3. July to August

4. May to August

8. Subtract ⁵⁄₈ from 3.

📖 REMINDER: Convert the whole number to a fraction with the same denominator before subtracting.

1. ²⁄₈

2. ¹⁵⁄₈

3. 2 ³⁄₈

4. 3 ⁵⁄₈

9. A rope is ¹⁄₅ m long. A cord is ¹⁄₁₀ m longer than the rope. What is the total length of the rope and cord?

📖 REMINDER: First find the length of the cord by adding, then add both lengths together to find the total.

1. ¹⁄₁₀ m

2. ¹⁄₂ m

3. ³⁄₅ m

4. ⁴⁄₅ m

10. Which of the following statements is true?

📖 REMINDER: Acute angles are less than 90°, right angles are exactly 90°, obtuse angles are greater than 90° but less than 180°.

1. ∠POR is an obtuse angle.

2. ∠QOS is a right angle.

3. ∠POS is an acute angle.

4. ∠QOR is an obtuse angle.

11. There were 64 cookies on a plate.¹⁄₄ of the cookies are chocolate chip. The rest are oatmeal.
How many more oatmeal cookies than chocolate chip cookies are there?

📖 REMINDER: First find the number of chocolate chip cookies, then find the number of oatmeal cookies, then find the difference.

1. 16

2. 32

3. 48

4. 64

12. The table below shows the number of stamps five friends collected. Answer the question below.

Friends	Total no. of stamps
Amy	84
Ben	168
Chris	135
Dana	48
Ethan	312

Who collected the least number of stamps?

📖 REMINDER: Compare the numbers in the "Total no. of stamps" column to find the smallest value.

1. Amy

2. Chris

3. Dana

4. Ethan

13. What is the improper fraction represented by the letter B on the number line?

Answer:

📖 REMINDER: Count the number of equal intervals between whole numbers to determine the value of each mark.

14. What is the improper fraction represented by the letter B on the number line?

Answer:

📖 REMINDER: Count the number of equal intervals between whole numbers to determine the value of each mark.

WA3,STHSP,2024,TestWA3STHSP2024

15. The table below shows the number of students who are right-handed and left-handed in Classes 5A and 5B.
Fill in the missing numbers in the table below.

	5A	5B
Right-handed	28	(b)
Left-handed	6	10
Total	(a)	42

Answer: (a) (b)

📖 REMINDER: The total is the sum of right-handed and left-handed students. Use the known values to find the missing ones.

16. The line graph below shows the distance cycled by a student over 5 days. What was the total distance cycled from
Monday to Wednesday?

Answer: km

📖 REMINDER: Read the distance for each day from the graph, then add them together.

17. The table below shows the different types of snacks sold. A total of 600 snacks were sold in a week.
How many packs of crackers were sold?

Type of snack	Number of snacks
Chips	315
Cookies	142
Crackers	?
Total	600

Answer: packs of crackers

📖 REMINDER: Add the known quantities, then subtract from the total to find the unknown quantity.

18. Container X contains ³⁄₄ ℓ of juice. Container Y contains ¹⁄₈ ℓ less than Container X. What is the total capacity of
Containers X and Y? Express your answer as a mixed number in the simplest form.

Answer: ℓ

📖 REMINDER: First find the capacity of Container Y by subtracting, then add both capacities together.

19. John used ³⁄₈ kg of flour to bake cookies. Lisa used ¹⁄₂ kg of flour more than John to bake a cake.

What is the total mass of flour used? Give your answer as a fraction in the simplest form.

Answer:

📖 REMINDER: Add the fractions step-by-step. First, find how much Lisa used, then add it to John's amount.

20. The graph below shows the cost of ribbon of different lengths.

(a) Mrs. Lee bought 4 m of ribbon. She paid the cashier $50. How much change did she receive?

Answer: (a) $

(b) Mr. Ali bought 5 m of ribbon. Mr. Tan bought 2 m of ribbon. How much more money did Mr. Ali spend than Mr. Tan?

Answer: (b) $

📖 REMINDER: Read the graph carefully. The cost increases by $3 for every 1 meter of ribbon.

Primary 4 Maths Weighted Assessment 3 (WA3) – Test 2

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