Self-checking fractions of amounts — no marking, no prep. Pupils work out each fraction of an amount and type the answer. Correct answers turn green instantly and colour in a hidden mystery heart, so children get immediate feedback and you don’t mark a thing. Covers unit and non-unit fractions (halves, quarters, thirds) of amounts — ideal for KS2 Year 3–4. Included: 16 self-marking questions · live score · mystery-picture reveal · works in Google Sheets (free) or Excel. How to use: upload to Google Drive, assign in Google Classroom with “make a copy for each student.” Great as a starter, plenary, homework or no-prep cover lesson.