Grade 3 Module 7 Geometry and Measurement in Word Problems

https://www.mathplayground.com/tetrasquares.html

https://www.khanacademy.org/math/cc-third-grade-math/3rd-geometry/cc-third-grade-perimeter-word-problems/e/perimeter-word-problems

https://www.mathgames.com/skill/3.19-perimeter-find-the-missing-side-length

https://www.rulergame.net/new-english-ruler-game.php

https://www.funbrain.com/games/measure-it

https://www.abcya.com/games/measuring (inches, any of the 4 measurements)

http://www.mathcats.com/explore/tessellationtown.html