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Illuminations: Three Lines

Three Lines

Draw three lines (not necessarily straight) so that each circle is connected to another circle with the same letter (that is, A to A, B to B, and C to shining C). The lines may not intersect one another, and they may not extend beyond the rectangle.

This brainteaser was written by Patrick Vennebush.

STEAM Topics Resource Audience Grade Level Tags PDFs
Math Topics
Deductive Reasoning & Logical Thinking
K-6, Middle School, High School
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
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Problem and solution

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Illuminations (National Council of Teachers of Mathematics)
National Council of Teachers of Mathematics

Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.

https://illuminations.nctm.org/Content.aspx?id=58

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National Council of Teachers of Mathematics

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Resource k12

K-12 Categories

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Submit a Resource

Illuminations: Three Lines

Three Lines

Draw three lines (not necessarily straight) so that each circle is connected to another circle with the same letter (that is, A to A, B to B, and C to shining C). The lines may not intersect one another, and they may not extend beyond the rectangle.

This brainteaser was written by Patrick Vennebush.

STEAM Topics Resource Audience Grade Level Tags PDFs
Math Topics
Deductive Reasoning & Logical Thinking
K-6, Middle School, High School
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
Download PDFs
PDF File
Descriptions of PDFs

Problem and solution

What are you looking for?

Organization

National Council of Teachers of Mathematics

Website URL

Type of Resource

Activity Sheet
PDF File

Assigned Categories