If you're seeing this message, it means we're having trouble loading external resources on our website.

Si estás detrás de un filtro de páginas web, por favor asegúrate de que los dominios *.kastatic.org y *.kasandbox.org estén desbloqueados.

Contenido principal

STANDARDS

 > 

US-WV

Math

West Virginia Math

Grade 1: Geometry

Reason with shapes and their attributes.

M.1.19

Not covered
Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, and/or overall size); build and draw shapes to possess defining attributes.
(Content unavailable)

M.1.20

Not covered
Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape and compose new shapes from the composite shape.
(Content unavailable)

M.1.21

Not covered
Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths and quarters and use the phrases half of, fourth of and quarter of. Describe the whole as two of, or four of the shares and understand for these examples that decomposing into more equal shares creates smaller shares.
(Content unavailable)