Teach IB Maths MYP Year 1 Unit 1.4.1 with a complete slide deck covering classifying angles.

Students learn how to:
• Identify and classify acute, right, obtuse, straight, reflex, and full-turn angles
• Use angle notation correctly, including identifying the vertex
• Compare angles with benchmark turns of 90°, 180°, and 360°
• Use inequalities to describe angle ranges
• Estimate angles before measuring
• Recognise and explain reflex angles
• Use facts about angles around a point and on a straight line
• Identify and correct common angle classification errors
• Apply angle classifications to ramps, bridges, supports, and other real-world contexts
• Explain angle classifications using diagrams, measurements, and mathematical reasoning

Use alongside this suggested curriculum map:

Please note that this curriculum map is not an official IB publication or a compulsory sequence prescribed by the IB. Schools should adapt the sequence to suit their students and local requirements.

Designed around IB Maths MYP Year 1 Unit 1.4.1 – Classifying Angles, with a focus on the key concept of Relationships, the related concepts of Quantity, Equivalence, and Models, and Criteria A, C, and D.