I can read your mind!
Think of a two digit number,*
Reverse the digits to get another two digit number,
Subtract the smaller two digit number from the other,
Add the digits of your answer together
I know what your answer is!
(* The two digits must be different)
9
How did I know?
Topics: Starter  Algebra  Place Value  Puzzles
How did you use this starter? Can you suggest
how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
Click here to enter your comments.
If you don't have the time to provide feedback we'd really appreciate it if you could give this page a score! We are constantly improving and adding to these starters so it would be really helpful to know which ones are most useful. Simply click on a button below:
This starter has scored a mean of 3.6 out of 5 based on 485 votes.
Previous Day  This starter is for 14 January  Next Day
Your access to the majority of the Transum resources continues to be free but you can help support the continued growth of the website by doing your Amazon shopping using the links on this page. Below is an Amazon search box and some items I have chosen and recommend to get you started. As an Amazon Associate I earn a small amount from qualifying purchases which helps pay for the upkeep of this website.
Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Transum.org/go/?Start=January14
Here is the URL which will take them to a related student activity.
If you like this sort of thing Mystic Mathematical Mind Reader will amaze you!