Page 79 - NUMINO Challenge_C2
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9 Origami
Basic Concepts Shapes Formed by Folding and Cutting
When drawing shapes that are formed by folding first and then cutting,
imagine the unfolded shape in the opposite order after the cutting.
Unfold Unfold
Cut
When unfolded
Example An origami piece of paper is folded twice and then cut as shown
below. Draw the shape of the unfolded piece of paper.
Class Notes
Color the cut-out portions when the piece of paper is unfolded once and twice.
Unfolded once Unfolded twice
Try It Again An origami piece of paper is folded twice and then cut as
shown below. Color the cut-out portions when the piece of
paper is unfolded.
When unfolded
76 NUMINO Challenge C2
Basic Concepts Shapes Formed by Folding and Cutting
When drawing shapes that are formed by folding first and then cutting,
imagine the unfolded shape in the opposite order after the cutting.
Unfold Unfold
Cut
When unfolded
Example An origami piece of paper is folded twice and then cut as shown
below. Draw the shape of the unfolded piece of paper.
Class Notes
Color the cut-out portions when the piece of paper is unfolded once and twice.
Unfolded once Unfolded twice
Try It Again An origami piece of paper is folded twice and then cut as
shown below. Color the cut-out portions when the piece of
paper is unfolded.
When unfolded
76 NUMINO Challenge C2
