In this worksheet, you must fill in the missing numbers in the given sequences.
Fill in the missing numbers in this sequence.
Look for clues from neighbouring terms to work out the rule.
Here 51 - 39 and 39 - 27 both equal 12.
This means that the rule for the sequence is that each term goes down by 12.
B will be 51 + 12 = 63.
A will be 63 + 12 = 75.