You can choose numbers from the bags and add them to make different totals. You don’t have to use numbers from every bag, and there will always be as many of each number as you need.
Choose some sets of 3 numbers and add them together.
What is special about your answers?
Can you explain what you’ve noticed?
This problem is adapted from the NRICH task What Numbers Can We Make with permission of the University of Cambridge. All rights reserved.