Sami's ruler broke into three pieces. The two end pieces are shown (one runs from to on the top scale; the other from to on the top scale, with the usual reverse scale underneath). What is the sum of all the numbers printed on the middle piece?
Sign in or create an account to reveal answers, view the solution, and save your progress. Create a free account to unlock practice and keep track of your work.
Australian Mathematics Competition 2024 – Middle Primary (2024)
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
Browse library →See how you rank. Top solvers by problems solved correctly. Sign in to climb the ranks.
View leaderboard →Australian Mathematics Competition 2024 – Middle Primary (2024)