Learn what an arithmetic sequence is and about number patterns in arithmetic sequences with this BBC Bitesize Maths KS3 article. For students aged of 11 and 14.

For example, 3, 5, 7, 9… is a sequence starting with 3 and increasing by 2 each time.. Each number in a sequence is called a term. ... Finding number patterns in arithmetic sequences. count. 1 of 4.

For example, adding up the five numbers in my own first name – 2, 1, 9, 9, and 7 – yields 28. To find the root, add the digits in 28 to get 10, and then add up those two digits to get 1.