500+ Math Pyramid Puzzles: Easy To Hard Mathematical Sum Addition Subtraction Game With Full Solutions For Calculation Fun And Gift. Teens Adults Seniors. 8.5″ x 11″

500+ Math Pyramid Puzzles Solve these triangular math puzzles game for fun or relaxation or daily routine mental exercise. Features: Difficulty level: Easy to hard Number of puzzles per page: 4. Comfortable spaces around puzzles. Number of puzzles: 504 puzzles Table of content and page numbers: Included Solutions: Followed after puzzles Instructions: Basic instructions how to play included at the end of the book Book size: 8.5″ x 11″. Extras (download for home printing): 88 very hard math pyramid puzzles book Optional larger solutions for 500+ math pyramid puzzles book Ideas Solving the puzzles leisurely While waiting or travelling Timing yourself or others as a fun challenge Daily arithmetic practice mental exercise As a gift for math lovers Possible benefits of puzzles Recognition or recognition memory Overall mental sharpness Patience Concentration Relaxation Mental reward or sense of achievement Have fun!