All concepts combined
Primary 3 Angles study guide: the whole chapter, step by step
About this subtopic
This mixed practice stop brings together 2 topics from Primary 3 Angles: Right-angle comparison, Find and count angles. Nothing on the question says which topic it comes from, so choosing the method is part of the skill.
Practice questions with worked solutions
Question 1 is free to try. The other 11 open in the free trial, each with its solution film.
Question 1 of 12 · Basic · free to tryThe clock shows 2 o’clock. Compare the smaller marked opening between its…The clock shows 2 o’clock…
The clock shows 2 o’clock. Compare the smaller marked opening between its hands with a right angle.
Show the working and the answer
Working
- The marked opening is narrower than a corner of a square.
- Ans: smaller than a right angle
Answer: smaller than a right angle
For parents
How do you approach P3 angles mixed practice questions?
This page mixes the two Primary 3 angles subtopics: comparing a single angle with a right angle, and finding and counting the marked angles in a figure.
What your child learns here
This page mixes the two Primary 3 angles subtopics: comparing a single angle with a right angle, and finding and counting the marked angles in a figure. Questions also use turns and clock hands, so your child has to decide which way of looking at the angle fits.
- An angle is the turn between two straight arms that meet at a point.
- A right angle is a quarter turn; a half turn is two right angles and makes a straight line.
- Any angle can be described by comparing it with a right angle.
- Arm length and the way a figure is turned do not change an angle's size.
- In a figure, every marked opening is checked and counted once, even when several share one point.
Does the answer make sense?
Your child should remember that arm length never decides the answer, so an angle with short arms can still be the greater one. Any rectangle, including each small one made by folding a sheet, has four right angles inside, and the inward corner of an L shape is always greater than a right angle.
How to practise these questions
This set mixes the chapter's question types: comparing angles with a right angle and finding and counting angles in figures. The Basic questions keep each skill to a simple shape, and the Intermediate questions use less familiar ones. The Challenge questions ask your child to follow a turn or a closing step by step, or to count the angles made when a figure is divided. If an angle question in this set stalls, watch its solution film and try again later from Revision.
Questions parents ask
What does the P3 angles chapter cover? The Primary 3 syllabus has two outcomes for angles: the concept of an angle, and right angles and angles greater than or smaller than a right angle. The pages in this chapter build both, then use them in figures, turns and clock faces.
How is a quarter turn related to a right angle? A quarter turn is a right angle. Two quarter turns make a half turn, which is a straight line, and four quarter turns make a full turn back to the start.
How can I tell if my child has understood angles? Ask them to explain how they know an angle is smaller or greater, not only to say which. A child who mentions the turn and the square corner, and ignores how long the arms are, has the idea.
Does the length of the arms change the size of an angle? No. An angle measures how far one arm turns from the other, so longer arms make it look bigger without changing it. Draw two angles of the same opening, one with short arms and one with long arms, and let your child compare them by laying one over the other.