Page 240 - NUMINO TG_3A
P. 240
15Fold in Half Unit

Objective: Learn about symmetry, congruence, and similarity Have students figure out which shape is
made when the paper is cut out and
Connect each piece of the folded paper to the matching shape that is unfolded.
made when cut out and unfolded.
Have those students who are finding it
difficult to match the shapes use a piece of
paper and a pair of scissors to make the
shapes. This will help them match the
shapes correctly.

15. Fold in Half 137

A Point Symmetry has a dot (in the center of the shape), Example: Shapes with a point symmetry
in which the shape can rotate around 180 to make a OO
shape that fits exactly over itself.

In this unit, only introduce Line Symmetry, and have
students draw shapes using the axis of symmetry.

center of symmetry

3A Unit 15 223
   235   236   237   238   239   240   241   242   243   244   245