Primary 4 Maths Weighted Assessment 1 (WA1) – Test 3

1. (a) Find the product of 3156 and 4.

Answer: 

(b) Find the missing number in the box.
5040  ÷ 8  = □

Answer: 

📖 REMINDER: Product means multiplication. For division, check your answer by multiplying the quotient by the divisor to get the dividend.

WA1,HP,2024,Whole Numbers

2. A stationery store has 168 boxes of pencils. There are 48 pencils in each box. How many pencils are there altogether?

Answer:

📖 REMINDER: "Altogether" means total. Multiply the number of boxes by the number of pencils in each box to find the total.

WA1,HP,2024,Whole Numbers

3. (a) Write 2 ³⁄₄ as an improper fraction.

Answer: (a)

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

WA1,HP,2024,Fractions

4. (a) Find the value of  ¹⁄₈ - ²⁄₅.
Express your answer in the simplest form.

Answer: (a) 

(b) Find the value of 5  -  ⁵⁄₆.

Answer:  

📖 REMINDER: For part (a), find a common denominator before subtracting. For part (b), convert the whole number to a fraction with the same denominator.

WA1,HP,2024,Fractions

5. In a class of 48 students, ¹⁄₆ of the students wear glasses. How many students wear glasses?

Answer:   students

📖 REMINDER: To find a fraction of a quantity, multiply the total by the fraction. For example, "1/6 of 48" means 48 × 1/6.

WA1,HP,2024,Fractions

6. ¹⁄₈ of the container is filled with marbles. After another 35 marbles are put into the container, it became ³⁄₄ filled.
How many more marbles are needed to fill the container completely?

Answer:

📖 REMINDER: First find what fraction the 35 marbles represent, then use that to find the total capacity, then find what's left to fill.

WA1,HP,2024,Fractions

7. John, Mary, and Tom had a total of $1200. Mary had twice as much money as John, and Tom had three times as much
money as John. How much money did Mary and Tom have altogether?

Answer: $ 

📖 REMINDER: Use the smallest person's amount as 1 unit. Express others in terms of this unit, then find total units before calculating.

WA1,HP,2024,Whole Numbers

8. Linda went shopping with some money. She spent ¹⁄₄ of her money on clothes and $45 on books.
She then had ³⁄₁₀ of her money left. How much did she spend on clothes?

Answer: $ 

📖 REMINDER: First find what fraction the $45 represents. Then find the total money, and finally calculate the amount spent on clothes.

WA1,HP,2024,Fractions

9. There was ⁵⁄₆ ℓ of water in a tank. Sarah used ¹⁄₄ ℓ to water her plants.

a) How much water was left in the tank after she watered her plants?

Answer:  ℓ

b) The next day, she added ³⁄₄ ℓ of water into the tank. How much water was there in the tank in the end? Give your answer as a mixed number in the simplest form.

Answer:   ℓ

📖 REMINDER: For part (a), subtract the amount used from the original amount. For part (b), add the amount added to the remaining amount. Always use a common denominator.

WA1,HP,2024,Fractions

10. The line graph shows the temperature from 7.00 a.m. to 5.00 p.m. on a particular day in Sunnyville.
Temperature in Sunnyville

(a) What is the temperature in Sunnyville at 3.00 p.m.?

Answer:    °C

(b) What is the increase in temperature between 9 a.m. to 11 a.m.?

Answer:    °C

📖 REMINDER: Read values carefully from the graph. For temperature increase, subtract the earlier temperature from the later temperature.

WA1,HP,2024,Graphs

11. The table below shows the Science test scores obtained by Primary 5B students. The total mark for the test is 100.
Part of the table is covered by an ink blot.

¹⁄₅ of the students failed the test. How many students are there in Class 5B?

Answer: students

📖 REMINDER: Students who failed are those in the first column (0-49 marks). Use this fraction to find the total number of students.

WA1,HP,2024,Statistics

12. The graph below shows the number of visitors at a zoo from Monday to Sunday. The number of visitors on Sunday
was missing in the graph. The admission ticket for each visitor was $12.

(a) How much money was collected from the sale of admission tickets on Friday?

Answer:  $

(b) $6000 more was collected on Sunday than on Tuesday. How many visitors visited the zoo on Sunday?

Answer: visitors

📖 REMINDER: For part (a), read the visitor count from the graph for the given day, then multiply by ticket price. For part (b), first find Tuesday's collection, add $6000, then divide by ticket price.

WA1,HP,2024,Graphs