Diffy Inception puzzles have their own symmetric beauty, but mostly they are just plain fun. Students can practice subtraction from early elementary math to prealgebra with this 3-books-in-one printable (pdf) activity bundle.
Notes to the teacher include puzzle instructions, game variations, journaling prompts, and more. Plus answers for all puzzles.
Titles in the bundle:
Diffy Inception: Subtraction Puzzles with Whole Numbers
Diffy Inception: Subtraction Puzzles with Fractions, Decimals
Diffy Inception: Subtraction Puzzles with Integers
Available with 8 1/2 by 11 (letter size) or A4 pages.