Primary 6 Maths Weighted Assessment 1 (WA1) – Test 5

3. (a) Find the value of 1 - ¹⁄₈ - ¹⁄₂

Answer: 

(b) Find the value of ³⁄₄ - 5

Answer: 

📖 REMINDER: When subtracting fractions, find a common denominator. When subtracting a whole number from a fraction, convert the whole number to a fraction with the same denominator.

WA1,RS,2024

4. Mr Lee took ²⁄₅ h to paint a chair and ⁴⁄₅ h to paint a table.
(a) How long would he take to paint 3 such chairs? Leave your answer as a fraction in hours.

Answer:  h

(b) Mr Raj took ¹⁄₂ of the time Mr Lee took to paint a table. How long did Mr Raj take to paint a table? Leave your answer as a fraction in hours.

Answer:  h

📖 REMINDER: To find time for multiple items, multiply the time for one item by the number of items. To find half of a fraction, multiply the fraction by 1/2.

WA1,RS,2024

5. Sam had a ribbon ⁵⁄₆ m long. He cut it into as many pieces as possible, each ¹⁄₈ m long.
What was the length of ribbon he had left after cutting the most number of smaller pieces?

Answer: m

📖 REMINDER: To find how many pieces of a certain length can be cut from a ribbon, divide the total length by the piece length. The remainder is the leftover ribbon.

WA1,RS,2024

6. Rina and Sara made bookmarks over two days. On Monday, Rina made 2 more bookmarks than Sara.
On Tuesday, Rina made 10 bookmarks and Sara made 6 bookmarks. At the end of the two days,
Rina made ³⁄₅ of the total number of bookmarks.

(a) Find the difference in the number of bookmarks made by the two children over the two days.

WA1,RS,2024,fractions

Answer:

(b) What was the total number of bookmarks Sara made?

Answer: (b)

📖 REMINDER: Use bar models. Since Rina made 3/5 of total, draw 5 equal units: Rina gets 3 units, Sara gets 2 units.

7. Ken spent ¹⁄₅ of his money on 2 files and 8 pens. The cost of each file is 2 times the cost of each pen.
He bought some more pens with ³⁄₄ of the remaining money.

(a) What fraction of the money had he left in the end?

Answer: (a)

(b) How many pens did Ken buy altogether?

Answer: (b)

(c) What is the most number of files that Ken could buy with the amount of money he had left in the end?

Answer: (c)

📖 REMINDER: Let the cost of 1 pen be 1 unit. Then a file costs 2 units. Work step by step.

WA1,RS,2024