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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? 15, 20, 25, 30, ____

    15+520+525+530+5?
  2. 2. What comes next? 2, 6, 10, 14, ____

    2+46+410+414+4?
  3. 3. What comes next? 13, 21, 29, 37, ____

    13+821+829+837+8?
  4. 4. What comes next? 12, 26, 40, 54, ____

    12+1426+1440+1454+14?
  5. 5. What comes next? 14, 23, 32, 41, ____

    14+923+932+941+9?
  6. 6. What comes next? 7, 12, 17, 22, ____

    7+512+517+522+5?
  7. 7. What comes next? 7, 14, 21, 28, ____

    7+714+721+728+7?
  8. 8. What comes next? 14, 25, 36, 47, ____

    14+1125+1136+1147+11?
  9. 9. What comes next? 7, 18, 29, 40, ____

    7+1118+1129+1140+11?
  10. 10. What comes next? 12, 17, 22, 27, ____

    12+517+522+527+5?
  11. 11. What comes next? 6, 16, 26, 36, ____

    6+1016+1026+1036+10?
  12. 12. What comes next? 11, 19, 27, 35, ____

    11+819+827+835+8?
12 questions · Seed 97 · 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? 15, 20, 25, 30, ____

    35

    Add 5 each time.

  2. 2. What comes next? 2, 6, 10, 14, ____

    18

    Add 4 each time.

  3. 3. What comes next? 13, 21, 29, 37, ____

    45

    Add 8 each time.

  4. 4. What comes next? 12, 26, 40, 54, ____

    68

    Add 14 each time.

  5. 5. What comes next? 14, 23, 32, 41, ____

    50

    Add 9 each time.

  6. 6. What comes next? 7, 12, 17, 22, ____

    27

    Add 5 each time.

  7. 7. What comes next? 7, 14, 21, 28, ____

    35

    Add 7 each time.

  8. 8. What comes next? 14, 25, 36, 47, ____

    58

    Add 11 each time.

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

    51

    Add 11 each time.

  10. 10. What comes next? 12, 17, 22, 27, ____

    32

    Add 5 each time.

  11. 11. What comes next? 6, 16, 26, 36, ____

    46

    Add 10 each time.

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

    43

    Add 8 each time.

12 questions · Seed 97 · Age guidance, not curriculum certification