Jenna's granny gave her a block of chocolate. Her little brother ate some when she wasn't looking. 1. Tap the button on this activity. How many pieces made up the chocolate block at the start? 2. Use ANY tools to help you solve the problem. 3. Use the tool to write the array using multiplication (times), and the answer. 4. How much did her little brother eat? Use the or tool to show your answer. 5. Use the to explain how you worked the answers out. 6. your work.
The half a piece eaten is deliberate. Without drawing attention to it or giving it away by commenting on it, it allows some stretch for students re how much the little brother ate.