A sequence is a pattern which is always the same.
Look at this example:
The pattern here is to add 1 to each number.
27 + 1 is 28, so the next number is 28.
Look at this next example:
The pattern here is to take 1 away from each number.
52 − 1 is 51, so the missing number is 51.
Now let's start the activities!