Create quick, calm, and completely customisable maths warm-ups for your lower years class — without spending hours prepping or solving them yourself! This editable Excel resource helps you generate mental maths practice in seconds, with 20 questions per set, built-in answers, and options for full class or differentiated groups — all done-for-you ✨Features include:✅ Editable Excel file with 3 separate sets (same or differentiated)✅ Select your number ranges + operation types✅ Options for