Sign Up
Student Instructions
Your Challenge: Unlock each safe using the correct two-digit numbers. Calculate which 3 two-digit numbers are needed to match the total on each safe. Each number can be only used once. Good luck!
Teacher Notes (not visible to students)
Answer Key: 108 = 48 + 21 + 39 96 = 23 + 27 + 46 111 = 35 + 34 + 42 156 = 63 + 57 + 36
