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Today we are learning to find one more or one less than a given number.


One more means that the answer will be bigger than the original number.

One less means that the answer will be smaller than the original number.


Have a look at the number 5


One more than 5 = 6

One less than 5 = 4


Using the 100 splat square,, see if you can find one more and one less than these numbers.


9             13           26           44               52           68           90


Can you complete these challenges?