Illuminations: Brick Diagonals
Illuminations: Brick Diagonals
A brick measures 5 × 6 × 9 inches, and all faces are covered with 1‑inch square tiles. If you were to draw a straight line connecting opposite corners of each face, on which face would the diagonal line cross the most tiles?
This brainteaser was written by Patrick Vennebush.
National Council of Teachers of Mathematics
Math Topics
Deductive Reasoning & Logical Thinking, Multiplication & Division
Middle School, High School
7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
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National Council of Teachers of Mathematics
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Resource k12
Illuminations: Brick Diagonals
A brick measures 5 × 6 × 9 inches, and all faces are covered with 1‑inch square tiles. If you were to draw a straight line connecting opposite corners of each face, on which face would the diagonal line cross the most tiles?
This brainteaser was written by Patrick Vennebush.
National Council of Teachers of Mathematics
Math Topics
Deductive Reasoning & Logical Thinking, Multiplication & Division
Middle School, High School
7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade
Download PDFs
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
PDF File