Practice multi-digit addition and subtraction word problems within 1,000 that gradually increase in difficulty with these digital slides presentation activities! Perfect for 2nd, 3rd, 4th grade math review games. With 50 cute and colorful Powerpoint slides, your students will be excited to solve each problem while improving their math skills. Each slide features adorable monsters and easy-to-follow word problems, helping students build their confidence with addition and subtraction up to 1,000.