Lesson Planet Article
Curated OER

Using Optical Illusion Brain Teasers Add a Twist to Math and Science

For Teachers 6th - 8th
Optical illusion activities can provide a motivating way for students to explore math and science concepts.
Worksheet
Curated OER

Letter Puzzles

For Students 9th - 12th
In this letter puzzle worksheet, students solve 2 puzzles given a list of letters.  Students determine the relationship between the set of letters.

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