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  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  2. Basic geometry and measurement | Math - Khan Academy

    Classify shapes and solve problems using what we know of the properties of shapes.

  3. Khan Academy | Khan Academy

    Ups. Algo salió mal. Por favor inténtalo otra vez. Oh no, parece que encontramos un error. Necesitas actualiza. Si este problema persiste, avísanos.

  4. Free Math Worksheets - Khan Academy Blog

    Mar 15, 2021 · They’ll help you assign the perfect practice for each student from our full math curriculum and track your students’ progress across the year. Plus, they’re also 100% free — with no …

  5. Geometry | Grade 4 Math | Khan Academy

    Basic shapes and their properties Learn Polygons review Properties of shapes: FAQ Recognizing shapes Counting faces and edges of 3D shapes Recognizing common 3D shapes

  6. Solid geometry | High school geometry | Math | Khan Academy

    In this unit, we'll explore three-dimensional shapes and all the fascinating properties they possess. Get ready to think outside the box (or, in this case, inside the cube)!

  7. Basic geometrical ideas | Class 6 (Old) | Math | Khan Academy

    Unit 5 Fractions Unit 6 Decimals Unit 7 Algebra Unit 8 Basic geometrical ideas Unit 9 Understanding elementary shapes Unit 10 Ratio and proportion Unit 11 Mensuration

  8. 可汗学院 | 可汗学院 - Khan Academy

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  9. Classifying shapes (practice) | Khan Academy

    Practice classifying shapes and determining which categories and subcategories each shape belongs to.

  10. Polygons review (article) - Khan Academy

    Circles are perfectly round and so a long thin circle is technically impossible. However, you would probably classify it as an oval. A shape with ten sides is a decagon. A shape with twelve sides is a …