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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? 18, 27, 36, 45, ____
2. What comes next? 16, 23, 30, 37, ____
3. What comes next? 3, 10, 17, 24, ____
4. What comes next? 20, 29, 38, 47, ____
5. What comes next? 1, 10, 19, 28, ____
6. What comes next? 16, 31, 46, 61, ____
7. What comes next? 12, 23, 34, 45, ____
8. What comes next? 7, 11, 15, 19, ____
9. What comes next? 2, 17, 32, 47, ____
10. What comes next? 10, 14, 18, 22, ____
11. What comes next? 17, 27, 37, 47, ____
12. What comes next? 10, 23, 36, 49, ____

12 questions · Seed 66 · 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? 18, 27, 36, 45, ____
54
Add 9 each time.
2. What comes next? 16, 23, 30, 37, ____
44
Add 7 each time.
3. What comes next? 3, 10, 17, 24, ____
31
Add 7 each time.
4. What comes next? 20, 29, 38, 47, ____
56
Add 9 each time.
5. What comes next? 1, 10, 19, 28, ____
37
Add 9 each time.
6. What comes next? 16, 31, 46, 61, ____
76
Add 15 each time.
7. What comes next? 12, 23, 34, 45, ____
56
Add 11 each time.
8. What comes next? 7, 11, 15, 19, ____
23
Add 4 each time.
9. What comes next? 2, 17, 32, 47, ____
62
Add 15 each time.
10. What comes next? 10, 14, 18, 22, ____
26
Add 4 each time.
11. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
12. What comes next? 10, 23, 36, 49, ____
62
Add 13 each time.

12 questions · Seed 66 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 18, 27, 36, 45, ____
2. What comes next? 16, 23, 30, 37, ____
3. What comes next? 3, 10, 17, 24, ____
4. What comes next? 20, 29, 38, 47, ____
5. What comes next? 1, 10, 19, 28, ____
6. What comes next? 16, 31, 46, 61, ____
7. What comes next? 12, 23, 34, 45, ____
8. What comes next? 7, 11, 15, 19, ____
9. What comes next? 2, 17, 32, 47, ____
10. What comes next? 10, 14, 18, 22, ____
11. What comes next? 17, 27, 37, 47, ____
12. What comes next? 10, 23, 36, 49, ____

12 questions · Seed 66 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 18, 27, 36, 45, ____
54
Add 9 each time.
2. What comes next? 16, 23, 30, 37, ____
44
Add 7 each time.
3. What comes next? 3, 10, 17, 24, ____
31
Add 7 each time.
4. What comes next? 20, 29, 38, 47, ____
56
Add 9 each time.
5. What comes next? 1, 10, 19, 28, ____
37
Add 9 each time.
6. What comes next? 16, 31, 46, 61, ____
76
Add 15 each time.
7. What comes next? 12, 23, 34, 45, ____
56
Add 11 each time.
8. What comes next? 7, 11, 15, 19, ____
23
Add 4 each time.
9. What comes next? 2, 17, 32, 47, ____
62
Add 15 each time.
10. What comes next? 10, 14, 18, 22, ____
26
Add 4 each time.
11. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
12. What comes next? 10, 23, 36, 49, ____
62
Add 13 each time.

12 questions · Seed 66 · Age guidance, not curriculum certification