Ages 12–14🧮 Mathematics9 verified questions on this shelf

Nth-Term Rules

Find the nth-term expression for an arithmetic sequence by identifying the common difference and the zero-term, and use it to determine any term in the sequence or test whether a given number belongs to the sequence

Try three questions

Tap an answer to check it. Every question and explanation was checked by independent verifiers that must agree.

Question 1 of 3

What is the nth term formula for the sequence 1/2, 2, 7/2, 5, …?

Question 2 of 3

The sequence 4, 9, 14, 19, … is an arithmetic sequence. What is the 8th term of this sequence?

Question 3 of 3

What is the 10th term of the arithmetic sequence 5, 9, 13, 17, ... ?

Keep going on this shelf

A free account keeps practising Nth-Term Rules with 9 verified questions, tracks the Skill as it blooms, and connects a real teacher when you want one. Every student account needs a parent's email first.

Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.