5 maths games · Common Core
High School Geometry maths games
Games matched to the Common Core standards for High School Geometry: Transformations, Congruence & similarity, Right-triangle trig, Circles. Fast arcade games build fluency; think-it-through games build understanding, with hints, second tries and a worked explanation for every question.
High School · Geometry
Transformations · Congruence & similarity · Right-triangle trig · Circles
2 arcade · 3 think & learnCongruence Criteria
Matching ticks and arcs whizz by. Is that enough to prove the triangles congruent — and by which rule?
SOH-CAH-TOA Sprint
Opposite, adjacent, hypotenuse — fast! Name the ratio, then solve for missing sides.
Transformation Target
The blue triangle moved. Was it slid, flipped, turned or stretched? Follow the vertices.
Similar Triangles
Same shape, different size. Find the scale factor and the missing side.
Circle Equations
(x − h)² + (y − k)² = r². Read circles, write their equations, and complete the square.
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