Aligned with the Ontario 2020 Grade 7 Math Curriculum!Strand: Number Specific Expectation: B2.3 use mental math strategies to increase and decrease a whole number by 1%, 5%, 10%, 25%, 50%, and 100% These easy-to-implement self-checking activities will help your students practice increasing and decreasing whole numbers by specific benchmark percentages and receive instant feedback on their progress as they go! These no-prep Google Sheets make it easy for teachers to determine if students are able