Number Pyramids

100 pyramid maths puzzles, idea for developing your addition skills. The rules are simple: Fill the pyramid so that every square contains a number. The value of each square in the number pyramid is the sum of the two squares directly under it. Every puzzle has a completed solution towards the back of the book, so if you get stuck along the way, take a look there! All of our puzzle books are printed on very high quality paper, making the puzzle experience all the more enjoyable! For other puzzle books, click on our author page or visit www.puzzle-book.co.uk