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Using the nth Term Rule to Solve Problems (Year 8)

Free printable UK Year 8 (Key Stage 3) maths worksheet: use the nth term rule to check if a number is a term, find a term number, or model a real-world linear pattern.

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Grade 7 · Math worksheet
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Math

Using the nth Term Rule to Solve Problems

Use the nth term rule to check whether a number is a term, find a term number, or model a real-world linear pattern.

  1. 1.
    The nth term of a sequence is 7n - 13. Is 49 a term in the sequence?
  2. 2.
    The nth term of a sequence is 3n + 4. Is 66 a term in the sequence?
  3. 3.
    The nth term of a sequence is 9n + 8. Is 69 a term in the sequence?
  4. 4.
    The nth term of a sequence is 9n - 15. Is 56 a term in the sequence?
  5. 5.
    The nth term of a sequence is 9n + 6. Is 152 a term in the sequence?
  6. 6.
    The nth term of a sequence is 3n - 14. Is 34 a term in the sequence?
  7. 7.
    The nth term of a sequence is 6n - 3. Which term of the sequence has the value 21?
  8. 8.
    The nth term of a sequence is -3n + 7. Which term of the sequence has the value -5?
  9. 9.
    The nth term of a sequence is 4n - 15. Which term of the sequence has the value 29?
  10. 10.
    The nth term of a sequence is 4n + 6. Which term of the sequence has the value 14?
  11. 11.
    The nth term of a sequence is -9n - 4. Which term of the sequence has the value -175?
  12. 12.
    The nth term of a sequence is 3n + 14. Which term of the sequence has the value 53?
  13. 13.
    A gym membership costs a one-off joining fee of £25 plus £15 per month. Write an expression for the total cost after n months, then find the total cost after 11 months.
  14. 14.
    A gym membership costs a one-off joining fee of £5 plus £7 per month. Write an expression for the total cost after n months, then find the total cost after 12 months.
  15. 15.
    A growing pattern is made from matchsticks. Pattern 1 uses 10 matchsticks, Pattern 2 uses 16, and Pattern 3 uses 22. How many matchsticks does Pattern 11 use?
  16. 16.
    A growing pattern is made from matchsticks. Pattern 1 uses 6 matchsticks, Pattern 2 uses 12, and Pattern 3 uses 18. How many matchsticks does Pattern 10 use?
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