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Primary 4 Mathematics · Chapter 7 · Practice sheet

Lesson 7.4: Drawing Angles

Name:Date:Marks:    / 15

Section A · Multiple choice 4 marks

1. Mei wants to draw ∠ABC = 50°. Where should the centre of the protractor be placed?1 mark

(A) on B(B) on A(C) on C(D) on the middle of AB

2. Which is the best estimate of the size of this angle?1 mark

(A) 30°(B) 120°(C) 60°(D) 170°

3. Sara wants to draw an angle of 130°. Her angle should be1 mark

(A) an acute angle(B) a right angle(C) an obtuse angle(D) a straight line

4. Mei put the centre of the protractor on B and the baseline along BA. She made a dot at 55 on the inner scale (the red dot). She will join the dot to B. What angle will she draw?1 mark

01801017020160301504014050130601207011080100909010080110701206013050140401503016020170101800AB
(A) 125°(B) 35°(C) 65°(D) 55°

Section B · Write your answer 11 marks

5. Using a ruler and a protractor, draw ∠ABC = 40°. The line BA is drawn for you.1 mark

AB

6. Using a ruler and a protractor, draw ∠PQR = 75°. The line QP is drawn for you.1 mark

PQ

7. Using a ruler and a protractor, draw ∠XYZ = 120°. The line YX is drawn for you.1 mark

XY

8. Which angle is bigger, X or Y?1 mark

Angle XAngle Y

9. Zara was asked to draw an angle of 80°. She drew the angle below. Is her angle correct? 1 mark

01801017020160301504014050130601207011080100909010080110701206013050140401503016020170101800ABC

10. Using a ruler and a protractor, draw ∠XYZ = 145°. Is it acute, right or obtuse?2 marks

XY

11. Tim was asked to draw an angle of 60°. He drew the angle below. Is it correct? How do you know?2 marks

ACB

12. Draw ∠AOB = 30°. Then draw ∠BOC = 50° so that it is next to ∠AOB. What is the size of ∠AOC?2 marks

AO
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