Math Equations

Hard Math Word Search

Hard 18×18 grid 18 words Ages 12+

Multi-syllable and advanced vocabulary in a large grid — great for older students and adults. This math word search puzzle features 18 hidden words in a 18×18 letter grid. Words can go right, down, or diagonally. Download includes a full answer key on page 2.

Words to Find

CIRCUMFERENCE COEFFICIENT CONGRUENT COORDINATE DENOMINATOR EXPONENTIAL FIBONACCI HYPOTENUSE IRRATIONAL LOGARITHM PERMUTATION PERPENDICULAR POLYNOMIAL PROBABILITY PYTHAGOREAN QUADRATIC TESSELLATION TRIGONOMETRY

More from Math Equations

Easy Math Word Search

10 words · 12×12 grid · Ages 5-7

Medium Math Word Search

14 words · 15×15 grid · Ages 8-12

About “Math Equations”

This free printable hard math word search is designed for ages 12+. The 18×18 grid contains 18 hidden words that can appear horizontally (left to right), vertically (top to bottom), or diagonally. Every puzzle is formatted for standard US Letter paper (8.5” × 11”) and prints perfectly on any home printer.

The PDF download includes the puzzle on page 1 and a complete answer key on page 2, with all word positions highlighted. Perfect for classrooms, homeschool activities, road trips, or quiet time at home. No sign-up required — just download, print, and start searching!