2nd Grade subtraction as an unknown addend word problems (aka ‘How many more than’ subtraction problems ) within 100 in a self-checking Google Sheets easter pixel art mystery picture activity! Students reveal cute Easter eggs images by solving real world subtraction problems like this: Mina has 55 comic books in her collection, and Ronald has 29. How many more comic books does Mina have than Ronald? The first jungle explorer found 24 new species during the expedition. The second explorer