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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? 6, 16, 26, 36, ____
2. What comes next? 9, 13, 17, 21, ____
3. What comes next? 17, 27, 37, 47, ____
4. What comes next? 3, 8, 13, 18, ____
5. What comes next? 15, 19, 23, 27, ____
6. What comes next? 19, 25, 31, 37, ____
7. What comes next? 17, 29, 41, 53, ____
8. What comes next? 20, 28, 36, 44, ____
9. What comes next? 14, 20, 26, 32, ____
10. What comes next? 7, 20, 33, 46, ____
11. What comes next? 2, 17, 32, 47, ____
12. What comes next? 2, 8, 14, 20, ____

12 questions · Seed 108 · 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? 6, 16, 26, 36, ____
46
Add 10 each time.
2. What comes next? 9, 13, 17, 21, ____
25
Add 4 each time.
3. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
4. What comes next? 3, 8, 13, 18, ____
23
Add 5 each time.
5. What comes next? 15, 19, 23, 27, ____
31
Add 4 each time.
6. What comes next? 19, 25, 31, 37, ____
43
Add 6 each time.
7. What comes next? 17, 29, 41, 53, ____
65
Add 12 each time.
8. What comes next? 20, 28, 36, 44, ____
52
Add 8 each time.
9. What comes next? 14, 20, 26, 32, ____
38
Add 6 each time.
10. What comes next? 7, 20, 33, 46, ____
59
Add 13 each time.
11. What comes next? 2, 17, 32, 47, ____
62
Add 15 each time.
12. What comes next? 2, 8, 14, 20, ____
26
Add 6 each time.

12 questions · Seed 108 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 6, 16, 26, 36, ____
2. What comes next? 9, 13, 17, 21, ____
3. What comes next? 17, 27, 37, 47, ____
4. What comes next? 3, 8, 13, 18, ____
5. What comes next? 15, 19, 23, 27, ____
6. What comes next? 19, 25, 31, 37, ____
7. What comes next? 17, 29, 41, 53, ____
8. What comes next? 20, 28, 36, 44, ____
9. What comes next? 14, 20, 26, 32, ____
10. What comes next? 7, 20, 33, 46, ____
11. What comes next? 2, 17, 32, 47, ____
12. What comes next? 2, 8, 14, 20, ____

12 questions · Seed 108 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 6, 16, 26, 36, ____
46
Add 10 each time.
2. What comes next? 9, 13, 17, 21, ____
25
Add 4 each time.
3. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
4. What comes next? 3, 8, 13, 18, ____
23
Add 5 each time.
5. What comes next? 15, 19, 23, 27, ____
31
Add 4 each time.
6. What comes next? 19, 25, 31, 37, ____
43
Add 6 each time.
7. What comes next? 17, 29, 41, 53, ____
65
Add 12 each time.
8. What comes next? 20, 28, 36, 44, ____
52
Add 8 each time.
9. What comes next? 14, 20, 26, 32, ____
38
Add 6 each time.
10. What comes next? 7, 20, 33, 46, ____
59
Add 13 each time.
11. What comes next? 2, 17, 32, 47, ____
62
Add 15 each time.
12. What comes next? 2, 8, 14, 20, ____
26
Add 6 each time.

12 questions · Seed 108 · Age guidance, not curriculum certification