Can you find every number between 1 and 20 using only four 4’s and any operation?
or
Can we as a class find every number between 1 and 20 using only four 4’s and any operation?
Here’s an example √4 + √4 + 4⁄4 =
Give this challenge to students and write all the numbers from 1 to 20 on the board. Then ask students to come to the board and write a solution any time they have one. The more solutions you get for each number the better.
Can you find every number between 1 and 20 using only four 4’s and any operation?
or
Can we as a class find every number between 1 and 20 using only four 4’s and any operation?
Here’s an example √4 + √4 + 4⁄4 =
Give this challenge to students and write all the numbers from 1 to 20 on the board. Then ask students to come to the board and write a solution any time they have one. The more solutions you get for each number the better.
SciTech Institute is a nonprofit organization dedicated to enhancing and promoting STEM education and awareness in Arizona and beyond. It works to achieve this through some of the strongest STEM initiatives in Arizona, including the Arizona SciTech Festival, the Chief Science Officers program, the RAIN grant, the Arizona STEM School Community of Practice, Science For All and more.
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