Which chapter does this paper follow?

It follows the Primary 5 lesson plan on fraction word problems: the two kinds of used, the remainder taken from a whole of 1, and the order of a two-step problem. Numbers and contexts are all new.

How do I see at once whether to subtract or multiply?

Look for a unit after the fraction: "1/4 m is used" takes a fixed length away, so subtract; "1/4 of the whole is used" takes a share of the whole, so multiply.

Primary 5 Maths: Fraction Word Problems — Practice Paper 1 (10 Questions)

2026-10-29

Tutor Prep Guide · Primary Maths

Paper 1 practises one thing only: telling “1/4 m is used” from “1/4 of the whole is used”. A unit means subtract, a share of the whole means multiply, and a two-step problem needs the remainder written down first.

Quick answer　10 questions, about 25 minutes. Items 05 and 07 test the two kinds of used, item 06 is a two-step problem and item 10 is the same error again; mark after finishing.

01　Paper details (check answers afterwards)

Item	Detail
Questions	10 questions
Suggested time	25 minutes
Difficulty mix	Foundation 4 · Intermediate 3 · Challenge 2 · Error redo 1
Chapter	Chapter: Primary 5 Maths: Fraction Word Problems — Tutor Lesson Plan
Level	Primary 5

02　Questions (10 items)

FoundationA rope is 3/5 m long and 1/4 m is used. How much is left?
FoundationA strip is 60 cm long and 1/3 is used. How many cm are left?
FoundationThirty sweets are eaten to the extent of 2/5. How many are left?
FoundationThree eighths of a rope is used. What fraction is left?
IntermediateA rope is 3/4 m long and 1/3 of the whole is used. How much is left?
IntermediateTwenty-four sweets, 3/8 of them eaten, the rest shared equally by 5 people. How many each?
IntermediateA cloth is 4/5 m long; 2/5 m is cut off, then half of what remains is cut off. How much is left?
ChallengeA bottle holds 1 1/2 L of juice; 1/3 of the whole is drunk and the rest is poured equally into 4 cups. How much per cup?
ChallengeAfter 2/5 of a ribbon is used, 90 cm remains. How long was the ribbon?
Error redoA rope is 5/6 m long and 1/3 m is used. How much is left? (common slip: 5/6 × 2/3 = 5/9 m)

03　Answers and one-line notes

#	Answer	One-line note
1	7/20 m	A stated length with a unit means subtraction: 3/5 − 1/4 becomes 12/20 − 5/20.
2	40 cm	Using 1/3 leaves 1 − 1/3 = 2/3 of the whole: 60 × 2/3 = 40.
3	18 sweets	Three fifths remain: 30 × 3/5 = 18; or find the 12 eaten and subtract.
4	5/8	The whole is 1: 1 − 3/8 = 8/8 − 3/8, and the denominator stays the same.
5	1/2 m	The words of the whole mean multiplication: 3/4 × 1/3 = 1/4 is used, so 3/4 − 1/4 = 1/2 is left.
6	3 sweets	Two steps: 24 × 5/8 = 15 left, then 15 ÷ 5. Answering 15 means the second step was dropped.
7	1/5 m	The first cut is a subtraction leaving 2/5; only the second, half of what remains, is a multiplication.
8	1/4 L	What remains is 3/2 × 2/3 = 1 L, then divide by 4 to get 1/4 L, keeping litres throughout.
9	150 cm	The remainder is 3/5 of the whole, so divide: 90 ÷ 3/5 = 150, and 150 × 3/5 checks back to 90.
10	1/2 m	A length with a unit means subtraction: 5/6 − 1/3 = 5/6 − 2/6 = 1/2. Multiplying takes one third of the whole instead.

04　What to do after marking

After marking, redo only the wrong items and write down which step went wrong (formula, unit, or misread number).
Repeat the same item two days later; move to the next paper only when both attempts are correct.
Parents only need the answer and note columns; there is no need to explain every item.

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