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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? 9, 23, 37, 51, ____

    9+1423+1437+1451+14?
  2. 2. What comes next? 16, 26, 36, 46, ____

    16+1026+1036+1046+10?
  3. 3. What comes next? 7, 15, 23, 31, ____

    7+815+823+831+8?
  4. 4. What comes next? 4, 9, 14, 19, ____

    4+59+514+519+5?
  5. 5. What comes next? 20, 31, 42, 53, ____

    20+1131+1142+1153+11?
  6. 6. What comes next? 13, 23, 33, 43, ____

    13+1023+1033+1043+10?
  7. 7. What comes next? 12, 21, 30, 39, ____

    12+921+930+939+9?
  8. 8. What comes next? 20, 28, 36, 44, ____

    20+828+836+844+8?
  9. 9. What comes next? 6, 19, 32, 45, ____

    6+1319+1332+1345+13?
  10. 10. What comes next? 8, 23, 38, 53, ____

    8+1523+1538+1553+15?
  11. 11. What comes next? 12, 20, 28, 36, ____

    12+820+828+836+8?
  12. 12. What comes next? 12, 18, 24, 30, ____

    12+618+624+630+6?
12 questions · Seed 81 · 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? 9, 23, 37, 51, ____

    65

    Add 14 each time.

  2. 2. What comes next? 16, 26, 36, 46, ____

    56

    Add 10 each time.

  3. 3. What comes next? 7, 15, 23, 31, ____

    39

    Add 8 each time.

  4. 4. What comes next? 4, 9, 14, 19, ____

    24

    Add 5 each time.

  5. 5. What comes next? 20, 31, 42, 53, ____

    64

    Add 11 each time.

  6. 6. What comes next? 13, 23, 33, 43, ____

    53

    Add 10 each time.

  7. 7. What comes next? 12, 21, 30, 39, ____

    48

    Add 9 each time.

  8. 8. What comes next? 20, 28, 36, 44, ____

    52

    Add 8 each time.

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

    58

    Add 13 each time.

  10. 10. What comes next? 8, 23, 38, 53, ____

    68

    Add 15 each time.

  11. 11. What comes next? 12, 20, 28, 36, ____

    44

    Add 8 each time.

  12. 12. What comes next? 12, 18, 24, 30, ____

    36

    Add 6 each time.

12 questions · Seed 81 · Age guidance, not curriculum certification