2023 Brain Games, Number Search Puzzles by Subtraction Volume 1: 2,000 Questions (100 Puzzles) Hard Level, Large Print Puzzles, Practice you brain for Adults and Seniors or students (CCSS 3.NBT.A.2, 4.NBT.B.4)Are you ready to play the game? Welcome to the new super challenge with this amazing game, Number Search Puzzle by Subtraction! For this game, you have to solve the problem before you can find the number. Containing numbers finds puzzles covering 2,000 quizzes or hidden numbers, you will ha