GRADES 3–4 · GEOMETRY EXERCISES
Choose a practice topic
Every topic creates varied diagrams and new questions at the difficulty you choose.
TOPIC 1
Points, Lines, Segments, Rays, and Angles
Build the precise language used to describe every later picture and shape.Gentle · Standard · ChallengeStart practice →TOPIC 2
Parallel, Intersecting, and Perpendicular Lines
Recognize how pairs of lines behave in shapes, maps, buildings, and patterns.Gentle · Standard · ChallengeStart practice →TOPIC 3
Triangle Detectives
Classify triangles by side lengths and by the kinds of angles they contain.Gentle · Standard · ChallengeStart practice →TOPIC 4
The Quadrilateral Family
Sort four-sided shapes by parallel sides, equal sides, and right angles.Gentle · Standard · ChallengeStart practice →TOPIC 5
Lines of Symmetry
Find lines that divide a figure into matching mirror halves.Gentle · Standard · ChallengeStart practice →TOPIC 6
Angle Types and Benchmark Turns
Compare turns with 90° and 180° to classify acute, right, obtuse, straight, and reflex angles.Gentle · Standard · ChallengeStart practice →TOPIC 7
Measure, Split, and Combine Angles
Estimate and measure angles, then use addition or subtraction to find missing parts.Gentle · Standard · ChallengeStart practice →TOPIC 8
Angle Sums Inside Shapes
Discover why triangle angles total 180° and how diagonals reveal sums for larger polygons.Gentle · Standard · ChallengeStart practice →TOPIC 9
Area, Perimeter, and Composite Shapes
Separate the space inside a figure from the distance around it.Gentle · Standard · ChallengeStart practice →TOPIC 10