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ReasoningAges 10-12

Number patterns

Find the addition rule in a number sequence and use it to complete the next term. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

  1. 1. What comes next? 17, 26, 35, 44, ____

    17+926+935+944+9?
  2. 2. What comes next? 7, 18, 29, 40, ____

    7+1118+1129+1140+11?
  3. 3. What comes next? 9, 13, 17, 21, ____

    9+413+417+421+4?
  4. 4. What comes next? 17, 25, 33, 41, ____

    17+825+833+841+8?
  5. 5. What comes next? 6, 19, 32, 45, ____

    6+1319+1332+1345+13?
  6. 6. What comes next? 19, 27, 35, 43, ____

    19+827+835+843+8?
  7. 7. What comes next? 5, 15, 25, 35, ____

    5+1015+1025+1035+10?
  8. 8. What comes next? 3, 11, 19, 27, ____

    3+811+819+827+8?
  9. 9. What comes next? 15, 20, 25, 30, ____

    15+520+525+530+5?
  10. 10. What comes next? 6, 12, 18, 24, ____

    6+612+618+624+6?
  11. 11. What comes next? 1, 16, 31, 46, ____

    1+1516+1531+1546+15?
  12. 12. What comes next? 1, 8, 15, 22, ____

    1+78+715+722+7?
12 questions · Seed 95 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

  1. 1. What comes next? 17, 26, 35, 44, ____

    53

    Add 9 each time.

  2. 2. What comes next? 7, 18, 29, 40, ____

    51

    Add 11 each time.

  3. 3. What comes next? 9, 13, 17, 21, ____

    25

    Add 4 each time.

  4. 4. What comes next? 17, 25, 33, 41, ____

    49

    Add 8 each time.

  5. 5. What comes next? 6, 19, 32, 45, ____

    58

    Add 13 each time.

  6. 6. What comes next? 19, 27, 35, 43, ____

    51

    Add 8 each time.

  7. 7. What comes next? 5, 15, 25, 35, ____

    45

    Add 10 each time.

  8. 8. What comes next? 3, 11, 19, 27, ____

    35

    Add 8 each time.

  9. 9. What comes next? 15, 20, 25, 30, ____

    35

    Add 5 each time.

  10. 10. What comes next? 6, 12, 18, 24, ____

    30

    Add 6 each time.

  11. 11. What comes next? 1, 16, 31, 46, ____

    61

    Add 15 each time.

  12. 12. What comes next? 1, 8, 15, 22, ____

    29

    Add 7 each time.

12 questions · Seed 95 · Age guidance, not curriculum certification