FILE: TRACES, POLYGONS, VOLUMES

From 8 years old.

3rd grade.Skills targeted:

• Lines and vocabulary.
Locate yourself on a grid. Extend friezes. Recognize, draw or extend straight lines. The point, the line, the segment, the half-line.
• Measure - Draw.
Recognize segments of the same length without using a ruler. Measure segments with a ruler. Units of measurement: the centimeter and the millimeter. Draw segments of a given length.
• Grid, symmetry and translation.
Coordinates of a point on a grid. Reproduce figures on a grid. Enlarge, reduce or proportionally transform a figure on a grid. Recognize and draw symmetries. Translation.
• Circle and compass.
Manipulate the compass. Know the center of a circle, the radius of a circle. Compare the length of different segments or transfer a distance with a compass. Name the intersection of a line and a circle or that of two circles.
• Triangle - Square - Rectangle.
Differentiate a polygon from a non-polygon. Recognize common polygons. Recognize and name the vertices and sides of a polygon. Recognize sides with the same measurement, identify right angles, parallel sides, and know how to draw diagonals.
• Solids. Distinguish between a polyhedron and a non-polyhedron.
Describe a solid (vertex, edge, face). Reproduction and pattern of a solid. Footprints and sections of solids.