Number Detective Mystery Challenge

WALT: Apply number skills to solve mathematical mysteries Success Criteria: I can solve addition and subtraction problems and explain my method clearly Mystery Rules: • Teacher calls out a number mystery (e.g., 'Detective! 15 sweets were stolen from the jar. 8 were found. How many are still missing?') • Use your detective tools: counters, number line, or mental maths • Write your answer on your whiteboard • Be ready to explain HOW you solved the mystery! • Bonus points for clear explanations using mathematical language Extension Challenge: Create your own number mystery for a friend to solve!