Common Core · Grade 4
4.MD.C.5
Grade 4 — Recognise angles as geometric figures formed by two rays and understand angle measurement.
The skill that covers it
What a student should be able to do
- Classify angles as acute, right, obtuse or straight.
- Use complementary and supplementary relationships to find an angle.
- Apply vertical angle and linear pair relationships.
- Find angles formed when a transversal crosses parallel lines.