What is the difference between perimeter and area?

Perimeter is the distance round the edge, in cm or m; area is the surface covered, in cm² or m².

Do fences use perimeter or area?

A fence runs round the edge, so use the perimeter; flooring, paint and turf use area.

How many cm² are there in 1 m²?

1 m = 100 cm, so 1 m² = 100 times 100 = 10 000 cm².

P4 Maths Perimeter and Area Applications Paper 1: Basics

2026-11-09

Tutor Prep Guide · P4 Maths

Ten original items, each with an answer and a one-line explanation.

Direct answers　Items 1-3 are basic, 4-6 intermediate and 7-9 challenge, with item 10 as the error review. Time yourself first, then check each answer and redo what is wrong.

01　Paper details (check answers afterwards)

Item	Detail
Questions	10
Suggested time	15
Difficulty mix	Foundation 3 · Intermediate 3 · Challenge 3 · Error redo 1
Chapter	Chapter: P4 Maths Perimeter and Area Applications
Level	P4

02　Questions (10 items)

FoundationA rectangle is 9 cm long and 5 cm wide. Find its perimeter.
FoundationA square has side 8 cm. Find its area.
FoundationA rectangular flower bed is 12 m by 7 m. Find its area.
IntermediateA rectangle has area 54 cm² and width 6 cm. Find its length and perimeter.
IntermediateA square has perimeter 32 cm. Find its side and its area.
IntermediateHow many cm² are there in 3 m²?
ChallengeA garden is 15 m by 9 m. How many metres of fence are needed to go right round it?
ChallengeA floor is 6 m by 4 m. How many 1 m² tiles are needed to cover it?
ChallengeA 20 cm by 15 cm rectangle has the largest possible square cut from it. Find the remaining area.
Error redoError review: a 10 cm by 4 cm rectangle was said to have area 28 cm². What went wrong, and what are the correct area and perimeter?

03　Answers and one-line notes

#	Answer	One-line note
1	28 cm	Perimeter = (length + width) times 2 = (9 + 5) times 2 = 28 cm.
2	64 cm²	Area = side times side = 8 times 8 = 64 cm².
3	84 m²	Area = length times width = 12 times 7 = 84 m².
4	Length 9 cm, perimeter 30 cm	Length = area divided by width = 54 divided by 6 = 9 cm, and perimeter = 30 cm.
5	Side 8 cm, area 64 cm²	Side = 32 divided by 4 = 8 cm, so area = 64 cm².
6	30000 cm²	One square metre is 10 000 cm², so 3 m² = 30000 cm².
7	48 m	Going round the edge means the perimeter: (15 + 9) times 2 = 48 m.
8	24 tiles	The floor area is 6 times 4 = 24 m², so 24 tiles of 1 m² are needed.
9	75 cm²	The largest square has side 15 cm and area 225 cm², so 300 minus 225 = 75 cm² remains.
10	The perimeter was given as the area; area 40 cm², perimeter 28 cm	10 + 4 + 10 + 4 = 28 cm is the perimeter measured in cm; the area is 10 times 4 = 40 cm².

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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