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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? 6, 17, 28, 39, ____

    6+1117+1128+1139+11?
  2. 2. What comes next? 15, 28, 41, 54, ____

    15+1328+1341+1354+13?
  3. 3. What comes next? 19, 24, 29, 34, ____

    19+524+529+534+5?
  4. 4. What comes next? 14, 19, 24, 29, ____

    14+519+524+529+5?
  5. 5. What comes next? 16, 21, 26, 31, ____

    16+521+526+531+5?
  6. 6. What comes next? 13, 25, 37, 49, ____

    13+1225+1237+1249+12?
  7. 7. What comes next? 17, 22, 27, 32, ____

    17+522+527+532+5?
  8. 8. What comes next? 11, 19, 27, 35, ____

    11+819+827+835+8?
  9. 9. What comes next? 17, 28, 39, 50, ____

    17+1128+1139+1150+11?
  10. 10. What comes next? 16, 26, 36, 46, ____

    16+1026+1036+1046+10?
  11. 11. What comes next? 7, 20, 33, 46, ____

    7+1320+1333+1346+13?
  12. 12. What comes next? 1, 13, 25, 37, ____

    1+1213+1225+1237+12?
12 questions · Seed 47 · 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? 6, 17, 28, 39, ____

    50

    Add 11 each time.

  2. 2. What comes next? 15, 28, 41, 54, ____

    67

    Add 13 each time.

  3. 3. What comes next? 19, 24, 29, 34, ____

    39

    Add 5 each time.

  4. 4. What comes next? 14, 19, 24, 29, ____

    34

    Add 5 each time.

  5. 5. What comes next? 16, 21, 26, 31, ____

    36

    Add 5 each time.

  6. 6. What comes next? 13, 25, 37, 49, ____

    61

    Add 12 each time.

  7. 7. What comes next? 17, 22, 27, 32, ____

    37

    Add 5 each time.

  8. 8. What comes next? 11, 19, 27, 35, ____

    43

    Add 8 each time.

  9. 9. What comes next? 17, 28, 39, 50, ____

    61

    Add 11 each time.

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

    56

    Add 10 each time.

  11. 11. What comes next? 7, 20, 33, 46, ____

    59

    Add 13 each time.

  12. 12. What comes next? 1, 13, 25, 37, ____

    49

    Add 12 each time.

12 questions · Seed 47 · Age guidance, not curriculum certification