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Math / Algebra / Grade 9 / ml9cm

Find a Term by Its Position - Practice 1

An arithmetic sequence adds the same difference at each step.

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An arithmetic sequence adds the same difference at each step. Term n is the first term plus (n - 1) differences, because the first term needs no step.

Worked example

With first term 4 and difference 3, term 5 is 4 + 4 x 3 = 16.

With first term 4 and difference 3, term 5 is 4 + 4 x 3 = 16.
Worked model: With first term 4 and difference 3, term 5 is 4 + 4 x 3 = 16.
Question 1 An arithmetic sequence starts at 7 and adds 4 each time. What is term 2?
Question 2 An arithmetic sequence starts at 7 and adds 4 each time. What is term 3?
Question 3 An arithmetic sequence starts at 7 and adds 4 each time. What is term 4?
Question 4 An arithmetic sequence starts at 7 and adds 4 each time. What is term 5?
Question 5 An arithmetic sequence starts at 7 and adds 4 each time. What is term 6?