Page 125 - NUMINO Challenge_M2
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4. Cutting Papers

Unfolded Shape after Cutting Paper
When a paper is folded and cut, the unfolded paper is symmetrical along
the folded line.

Fold once Cut Unfold

Number of Figures after Folding and Cutting Paper

When a paper is folded twice and cut as shown below, 4 triangles and 1
square are made.

Fold Fold Cut Unfold
once again

EExxpplloorree When a square is folded in half twice, it has the following shape.

When the folded paper is cut as shown below, the unfolded
shape can be found by unfolding the paper in the opposite
direction in which it was folded.

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