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Primary 3 Mathematics Geometry Quiz

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Primary 3 Mathematics From Real Exams Generated by Ox Alpha Updated 2026-08-27

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Primary 3 Mathematics Quiz - Geometry

Subject: Mathematics | Level: Primary 3 Paper: SA2 Practice Quiz — Geometry (Version 1 of 5) Duration: 45 minutes | Total Marks: 40

Name: ______________________ Class: ____________ Date: ______________ Score: ________ / 40

Instructions:

Answer all 20 questions.
Section A: choose one option for each question.
Sections B and C: show your working clearly in the space given.
Write the correct units ( $\text{cm}$ , $\text{m}$ , $\text{cm}^2$ , $\text{m}^2$ ) in your answers.
Do not use a calculator.

Section A: Multiple-Choice (Q1–Q5, 1 mark each, 5 marks)

Question 1.

How many right angles does a square have?

(a) 0 (b) 2 (c) 3 (d) 4

Answer: ____________

Question 2.

Look at angle X in the figure below. Which statement is true?

Image pending generation: diagram for Q2.

(a) Angle X is greater than a right angle. (b) Angle X is equal to a right angle. (c) Angle X is smaller than a right angle. (d) Angle X is not an angle.

Answer: ____________

Question 3.

Look at the three pairs of lines A, B and C. Which pair of lines is parallel?

Image pending generation: diagram for Q3.

(a) A (b) B (c) C (d) None of the pairs

Answer: ____________

Question 4.

The perimeter of a closed figure is ______________________.

(a) the space inside the figure (b) the total distance around the figure (c) the number of square units covering the figure (d) the length of its longest side

Answer: ____________

Question 5.

A square has sides of 5 cm each. What is its area?

(a) $10\ \text{cm}^2$ (b) $20\ \text{cm}^2$ (c) $25\ \text{cm}^2$ (d) $50\ \text{cm}^2$

Answer: ____________

Section B: Short Answer (Q6–Q15, 2 marks each, 20 marks)

Show your working. Write units where needed.

Question 6.

How many right angles are there inside the figure below?

Image pending generation: diagram for Q6.

Answer: ____________ right angles

Question 7.

The minute hand of a clock moves from 12 to 9. Is the angle through which the hand turns greater than, smaller than, or equal to a right angle? Explain your answer.

...................................................................................................

Question 8.

Line PQ and line RS cross each other at point T and form four right angles.

Complete the sentence: Line PQ is ______________________ to line RS.

What are lines like these called? ______________________

Question 9.

Ravi says the two rails of a straight railway track are parallel lines. Explain why the rails are parallel. Give two reasons.

................................................................................................... ...................................................................................................

Question 10.

Fill in each blank.

A rectangle has ____________ pair(s) of parallel sides.

Its opposite sides are ____________ in length.

Question 11.

Find the perimeter of a rectangle with length 7 cm and breadth 4 cm.

Working: ...................................................................................................

Answer: ____________

Question 12.

Find the perimeter of a square with sides of 9 m each.

Working: ...................................................................................................

Answer: ____________

Question 13.

Find the area of the shaded rectangle below.

Image pending generation: diagram for Q13.

Working: ...................................................................................................

Answer: ____________

Question 14.

A rectangle has a perimeter of 24 cm. Its length is 8 cm. Find its breadth.

Working: ...................................................................................................

Answer: ____________

Question 15.

A rectangle has an area of $18\ \text{cm}^2$ and a breadth of 3 cm. Find its length.

Working: ...................................................................................................

Answer: ____________

Section C: Problem Sums (Q16–Q20, 3 marks each, 15 marks)

Show your working clearly. Write units in your final answers.

Question 16.

Mr Tan's rectangular garden is 12 m long and 8 m wide. He wants to put a fence all around the garden. How many metres of fencing does he need?

Working: ................................................................................................... ...................................................................................................

Answer: ____________

Question 17.

Square ABCD has sides of 7 cm each. Rectangle EFGH has a length of 9 cm and a breadth of 4 cm. Which figure has the greater perimeter, and by how much?

Answer: ____________

Question 18.

A rectangular hall is 10 m long and 7 m wide.

(a) A carpet covers the whole floor of the hall. Find the area of the carpet.

Working: ...................................................................................................

Answer: ____________

(b) A store room next to the hall has half the area of the hall. Find the area of the store room.

Working: ...................................................................................................

Answer: ____________

Question 19.

A rectangle has an area of $48\ \text{cm}^2$ and a length of 8 cm.

(a) Find its breadth.

Working: ...................................................................................................

Answer: ____________

(b) Find its perimeter.

Working: ...................................................................................................

Answer: ____________

Question 20.

The figure below shows an L-shaped garden made up of two rectangles, P and Q. Find the total area of the garden.

Image pending generation: diagram for Q20.

Answer: ____________

End of quiz. Check your work before handing in.

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Answers

Primary 3 Mathematics Quiz - Geometry — Answer Key (Version 1 of 5)

Section A: Multiple-Choice

Answer 1.

(d) 4 — every corner of a square is a right angle.

Answer 2.

Answer 3.

(a) A — the two lines stay the same distance apart and never meet.

Answer 4.

(b) the total distance around the figure

Answer 5.

Section B: Short Answer

Answer 6.

5 right angles. Five corners measure 90°; the inner corner is a reflex angle (270°), not a right angle.

Answer 7.

Greater than a right angle. The hand turns through three-quarters of a full turn (270°). A right angle is only a quarter turn (90°), so 270° is greater than 90°.

Answer 8.

Line PQ is perpendicular to line RS. Lines like these are called perpendicular lines.

Answer 9.

(i) The two rails are always the same distance apart along their whole length. (ii) They are straight lines that never meet or cross, no matter how far they are extended.

Answer 10.

A rectangle has 2 pair(s) of parallel sides. Its opposite sides are equal in length.

Answer 11.

Perimeter = 2 × (7 + 4) = 2 × 11 = 22 cm

Answer 12.

Perimeter = 4 × 9 = 36 m

Answer 13.

Area = 4 cm × 3 cm = 12 cm² (12 unit squares)

Answer 14.

Breadth = 24 ÷ 2 − 8 = 12 − 8 = 4 cm

Answer 15.

Length = 18 ÷ 3 = 6 cm

Section C: Problem Sums

Answer 16.

Perimeter = 2 × (12 + 8) = 2 × 20 = 40 m of fencing

Answer 17.

Square: 4 × 7 = 28 cm. Rectangle: 2 × (9 + 4) = 26 cm. The square has the greater perimeter, by 28 − 26 = 2 cm.

Answer 18.

(a) Area = 10 × 7 = 70 m² (b) Store room = 70 ÷ 2 = 35 m²

Answer 19.

(a) Breadth = 48 ÷ 8 = 6 cm (b) Perimeter = 2 × (8 + 6) = 2 × 14 = 28 cm

Answer 20.

Step 1: Area of Rectangle P = 3 m × 6 m = 18 m². Step 2: Area of Rectangle Q = 5 m × 2 m = 10 m². Step 3: Total area = 18 + 10 = 28 m²

Marking note: award 1 mark for each correct rectangle area and 1 mark for the correct total with units.