F  O  U  R  
F  O  U  R  
+  F  O  U  R 


T  H  R  E  E 
Can you find the substitutions which will make this word sum correct?
Can you make up a word sum or puzzle of your own?
Topics: Starter  Arithmetic  Problem Solving  Puzzles
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Previous Day  This starter is for 13 April  Next Day
Here is one solution. There are others in the comments above.
3  6  5  9  
3  6  5  9  
+  3  6  5  9 


1  0  9  7  7 
Teacher, do your students have
access to computers? 

Here is the URL for a concise version of this page without comments or answers.
Here is the URL which will take them to a code cracking activity.
Do you want more?
Do you need help?
Here is a Step by step guide for solving word sums along with other word sums for you to try.
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