4th grade shapes & angles worksheets
8 shapes & angles skills at 4th grade, one sheet each, free with its answer key: classifying angles, classifying quadrilaterals, classifying triangles, and more.
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Shapes
- Classifying quadrilaterals A shape can hold more than one name at once. Every square is also a rectangle, a rhombus, and a quadrilateral.
- Classifying triangles A triangle gets its name from its angles or its sides. A square mark means a right angle, and matching ticks mean equal sides.
- Lines of symmetry A line of symmetry is a fold line. Fold the shape there and the two halves match exactly.
- Drawing lines of symmetry Draw one line of symmetry on each shape. More than one correct line may be possible.
Lines & angles
- Classifying angles Compare every angle to a square corner: smaller is acute, an exact match is right, wider is obtuse, and a flat line is straight.
- Lines, rays & segments Arrows mean the path never ends and dots mean it stops. Two arrows make a line, one arrow makes a ray, two dots make a segment.
- Measuring angles Find the ray resting on 0 and count up from it. The long ticks are tens; the short tick halfway between two tens is 5 more.
- Finding missing angles Find each missing angle. Think about complementary and supplementary angles.
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