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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. What comes next? 9, 22, 35, 48, ____
2. What comes next? 19, 24, 29, 34, ____
3. What comes next? 11, 16, 21, 26, ____
4. What comes next? 11, 22, 33, 44, ____
5. What comes next? 12, 27, 42, 57, ____
6. What comes next? 13, 20, 27, 34, ____
7. What comes next? 12, 20, 28, 36, ____
8. What comes next? 7, 22, 37, 52, ____
9. What comes next? 19, 23, 27, 31, ____
10. What comes next? 7, 15, 23, 31, ____
11. What comes next? 9, 24, 39, 54, ____
12. What comes next? 17, 23, 29, 35, ____

12 questions · Seed 121 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 9, 22, 35, 48, ____
61
Add 13 each time.
2. What comes next? 19, 24, 29, 34, ____
39
Add 5 each time.
3. What comes next? 11, 16, 21, 26, ____
31
Add 5 each time.
4. What comes next? 11, 22, 33, 44, ____
55
Add 11 each time.
5. What comes next? 12, 27, 42, 57, ____
72
Add 15 each time.
6. What comes next? 13, 20, 27, 34, ____
41
Add 7 each time.
7. What comes next? 12, 20, 28, 36, ____
44
Add 8 each time.
8. What comes next? 7, 22, 37, 52, ____
67
Add 15 each time.
9. What comes next? 19, 23, 27, 31, ____
35
Add 4 each time.
10. What comes next? 7, 15, 23, 31, ____
39
Add 8 each time.
11. What comes next? 9, 24, 39, 54, ____
69
Add 15 each time.
12. What comes next? 17, 23, 29, 35, ____
41
Add 6 each time.

12 questions · Seed 121 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 9, 22, 35, 48, ____
2. What comes next? 19, 24, 29, 34, ____
3. What comes next? 11, 16, 21, 26, ____
4. What comes next? 11, 22, 33, 44, ____
5. What comes next? 12, 27, 42, 57, ____
6. What comes next? 13, 20, 27, 34, ____
7. What comes next? 12, 20, 28, 36, ____
8. What comes next? 7, 22, 37, 52, ____
9. What comes next? 19, 23, 27, 31, ____
10. What comes next? 7, 15, 23, 31, ____
11. What comes next? 9, 24, 39, 54, ____
12. What comes next? 17, 23, 29, 35, ____

12 questions · Seed 121 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 9, 22, 35, 48, ____
61
Add 13 each time.
2. What comes next? 19, 24, 29, 34, ____
39
Add 5 each time.
3. What comes next? 11, 16, 21, 26, ____
31
Add 5 each time.
4. What comes next? 11, 22, 33, 44, ____
55
Add 11 each time.
5. What comes next? 12, 27, 42, 57, ____
72
Add 15 each time.
6. What comes next? 13, 20, 27, 34, ____
41
Add 7 each time.
7. What comes next? 12, 20, 28, 36, ____
44
Add 8 each time.
8. What comes next? 7, 22, 37, 52, ____
67
Add 15 each time.
9. What comes next? 19, 23, 27, 31, ____
35
Add 4 each time.
10. What comes next? 7, 15, 23, 31, ____
39
Add 8 each time.
11. What comes next? 9, 24, 39, 54, ____
69
Add 15 each time.
12. What comes next? 17, 23, 29, 35, ____
41
Add 6 each time.

12 questions · Seed 121 · Age guidance, not curriculum certification