One more or less than a given number 10-10

Introduced in the Reception curriculum as: "Say which numbers is one more or less than a given number"

One more means the number that comes next when you are counting. One less means the number that comes next when you are counting.


Example 1:

11 is one more than 10 .


Example 2:

10 is one less than 11 .


Example 3:

One more than 15 is 16 .


Example 4:

One less than 20 is 19 .


Example 5:

How many pears does the cat have ?

The dog has 14 pears.

The cat has one less pear than the dog. One less than 14 is 13.

So, the cat has 13 pears.


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