Page 80 - NUMINO Challenge_C2
P. 80
Basic Concepts Shapes Formed by Folding Tape
When a numbered piece of tape like the one below is folded, lines of the
same color meet.
123456
For example, by folding the tape above, 1 4 5 6 , 1 6 , 3 6
can be made.
123 4 1456
5
6
123456 12 16
4
6
32 36
6
Example You want to fold the piece of tape with numbers 1 to 8 written on
it into the shape on the right. Explain how. If it is not possible,
explain why. You can fold only along the lines.
12345678 267
Class Notes
To fold the tape into 2 6 7 , you must fold the tape such that the line to the
right of 2 and the line to the ( lef t, right ) of 6 meet.
Mark the lines that can meet with the line to the right of 2 when the tape is folded.
12345678
Therefore, 2 6 7 ( can, cannot ) be made by folding the tape.
77Geometry
When a numbered piece of tape like the one below is folded, lines of the
same color meet.
123456
For example, by folding the tape above, 1 4 5 6 , 1 6 , 3 6
can be made.
123 4 1456
5
6
123456 12 16
4
6
32 36
6
Example You want to fold the piece of tape with numbers 1 to 8 written on
it into the shape on the right. Explain how. If it is not possible,
explain why. You can fold only along the lines.
12345678 267
Class Notes
To fold the tape into 2 6 7 , you must fold the tape such that the line to the
right of 2 and the line to the ( lef t, right ) of 6 meet.
Mark the lines that can meet with the line to the right of 2 when the tape is folded.
12345678
Therefore, 2 6 7 ( can, cannot ) be made by folding the tape.
77Geometry
