Chekechea–Darasa la 2Geometry & TopologyImepangwa
Shapes
Recognising, naming, sorting and building two- and three-dimensional shapes by their attributes, such as number of sides and corners and whether faces are flat or curved.
math.geom.shapes
Somo la mada hii bado halijaandikwa. Muhtasari ulio hapa chini ni sehemu ya ramani ya mtaala na haujakaguliwa.
Inajengwa juu ya
Hakuna masharti ya awali — anza hapa!
Utajifunza
- Name and describe circles, triangles, squares, rectangles, cubes, cylinders, cones and spheres, whatever their size or orientation.
- Sort shapes by attributes such as the number of sides or corners, and explain the sorting rule.
- Compose larger shapes from smaller ones and decompose shapes into parts.
Fasili
- A triangle is a closed flat shape with three straight sides.
- A side is a straight edge of a flat shape; a corner (vertex) is where two sides meet.
- A square is a rectangle whose four sides all have the same length.
Nadharia
- Turning or moving a shape does not change what shape it is.
- Every square is a rectangle, but not every rectangle is a square.
Mawazo potofu ya kawaida
- Thinking a square turned onto a corner is no longer a square.
- Believing a triangle must have a flat bottom or equal sides.
- Treating colour or size as part of what makes a shape a triangle or a square.
Inaelekea kwa
Ugunduzi wa hiari
- Sets Sorting shapes into overlapping groups, such as 'four-sided' and 'red', leads to Venn diagrams.