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

1. Arrange the numbers in decreasing order.
53 418 , 53 841 , 54 183 , 54 318

📖 REMINDER: Decreasing order means from largest to smallest. Compare numbers digit by digit starting from the ten-thousands place.

1. 53 418 , 53 841 , 54 183 , 54 318

2. 54 318 , 54 183 , 53 841 , 53 418

3. 54 183 , 54 318 , 53 841 , 53 418

4. 53 841 , 54 183 , 53 418 , 54 318

2. Which of the following is a multiple of 9?

📖 REMINDER: A multiple of 9 can be divided by 9 without leaving a remainder. Check each number by dividing it by 9.

1. 72

2. 64

3. 48

4. 35

3. The table shows the number of boys and girls in Primary 6X and 6Y who are swimmers and non-swimmers.
What is the total number of girl swimmers in both classes?

Class	Number of boys		Number of girls		Total
Class	Swimmers	Non-swimmers	Swimmers	Non-swimmers	Total
Primary 6X	15	5	8	12	40
Primary 6Y	14	6	10	10	40

📖 REMINDER: Look only at the "Swimmers" column for girls in both classes. Add the girl swimmers from 6X and 6Y.

1. 30

2. 18

3. 22

4. 25

4. 53 thousands 18 hundreds and 7 tens is the same as ______.

📖 REMINDER: Convert each part to standard form: thousands = ×1000, hundreds = ×100, tens = ×10. Then add them together.

1. 53 187

2. 53 870

3. 54 870

4. 54 807

5. Last year, Lily's age was a factor of 18. This year, her age is a factor of 20.
How old will Lily be next year?

📖 REMINDER: Find the ages that work for both conditions. Last year's age must be a factor of 18, this year's age must be a factor of 20, and they must be consecutive years.

1. 7

2. 6

3. 5

4.4

6. What is the missing number in the number pattern below?
2 615, 2 650, ______ , 2 720, 2 755, 2 790

Answer:

📖 REMINDER: Find the common difference by checking the gaps between the given numbers. Then use that difference to find the missing term.

WA1,MBSP,2024,Patterns

7. List all the common factors of 12 and 36.

Answer: {{{[1, 2, 3, 4, 6, 12]}}}

📖 REMINDER: A common factor is a number that divides exactly into two (or more) other numbers. List all factors of each number separately, then find the numbers that appear in both lists.

1. 1, 2, 3, 4, 6

2. 1, 2, 3, 6, 12

3. 1, 2, 3, 4, 6, 12

4. 1, 2, 3, 4, 6, 9, 12

8. The bar graph below shows the number of books sold from January to May.
What is the total number of books sold from February to April?

Answer: books

📖 REMINDER: Read the question carefully—it asks for the total from February to April inclusive. Add only the values for those three months.

WA1,MBSP,2024,Data Analysis

9. A number is 65 000 when rounded to the nearest 1000.What is the smallest possible number?

Answer:

📖 REMINDER: When rounding to the nearest 1000, numbers from 500 above the lower thousand round up, and numbers below 500 round down. The smallest number that rounds up to a given thousand is exactly halfway between that thousand and the previous thousand.

10. Ben bought some chocolates to give to his friends.
If he gave 4 chocolates to each friend, he would have 3 chocolates left over.
If he gave 5 chocolates to each friend, he would be short of 4 chocolates.

How many friends did Ben have?

Answer: friends

📖 REMINDER: This is a "constant total" problem. The number of chocolates is the same in both situations. Let the number of friends be f and form two equations.

11. Ethan had twice as many stickers as Leo at first.
After Ethan gave Leo 12 stickers, Ethan had 24 more stickers than Leo in the end.
How many stickers did Ethan have at first?

Answer: stickers

📖 REMINDER: Draw a "before and after" model. When Ethan gives stickers to Leo, Ethan loses them and Leo gains them. The new difference is based on the transfer.

12. Bryan has twice as many marbles as Liam. Ethan has thrice as many marbles as Bryan.
Bryan has 84 fewer marbles than Ethan. How many more marbles does Ethan have than Liam?

Answer: marbles

📖 REMINDER: Use the unit method. Let Liam's marbles be 1 unit, then express Bryan's and Ethan's marbles in terms of the same unit.

13. The line graph shows the number of people at a library from 10 00 to 15 00.

(a) How many more people were at the library at 12 00 than at 13 00?

Answer: (a)

(b) The number of people at the library at 14 00 was twice the number of people at the library at ______.

Answer: (b)

(c) During which 1-hour period was the decrease in the number of people at the library the greatest?

Answer: (c)

📖 REMINDER: Read the graph carefully. For part (c), compare differences between consecutive hours to find the largest change (increase or decrease).

WA1,MBSP,2024,Data Analysis

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

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