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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? 5, 18, 31, 44, ____
2. What comes next? 1, 5, 9, 13, ____
3. What comes next? 13, 25, 37, 49, ____
4. What comes next? 6, 16, 26, 36, ____
5. What comes next? 19, 31, 43, 55, ____
6. What comes next? 20, 35, 50, 65, ____
7. What comes next? 16, 29, 42, 55, ____
8. What comes next? 7, 17, 27, 37, ____
9. What comes next? 14, 21, 28, 35, ____
10. What comes next? 9, 16, 23, 30, ____
11. What comes next? 4, 14, 24, 34, ____
12. What comes next? 13, 27, 41, 55, ____

12 questions · Seed 118 · 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? 5, 18, 31, 44, ____
57
Add 13 each time.
2. What comes next? 1, 5, 9, 13, ____
17
Add 4 each time.
3. What comes next? 13, 25, 37, 49, ____
61
Add 12 each time.
4. What comes next? 6, 16, 26, 36, ____
46
Add 10 each time.
5. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
6. What comes next? 20, 35, 50, 65, ____
80
Add 15 each time.
7. What comes next? 16, 29, 42, 55, ____
68
Add 13 each time.
8. What comes next? 7, 17, 27, 37, ____
47
Add 10 each time.
9. What comes next? 14, 21, 28, 35, ____
42
Add 7 each time.
10. What comes next? 9, 16, 23, 30, ____
37
Add 7 each time.
11. What comes next? 4, 14, 24, 34, ____
44
Add 10 each time.
12. What comes next? 13, 27, 41, 55, ____
69
Add 14 each time.

12 questions · Seed 118 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 5, 18, 31, 44, ____
2. What comes next? 1, 5, 9, 13, ____
3. What comes next? 13, 25, 37, 49, ____
4. What comes next? 6, 16, 26, 36, ____
5. What comes next? 19, 31, 43, 55, ____
6. What comes next? 20, 35, 50, 65, ____
7. What comes next? 16, 29, 42, 55, ____
8. What comes next? 7, 17, 27, 37, ____
9. What comes next? 14, 21, 28, 35, ____
10. What comes next? 9, 16, 23, 30, ____
11. What comes next? 4, 14, 24, 34, ____
12. What comes next? 13, 27, 41, 55, ____

12 questions · Seed 118 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 5, 18, 31, 44, ____
57
Add 13 each time.
2. What comes next? 1, 5, 9, 13, ____
17
Add 4 each time.
3. What comes next? 13, 25, 37, 49, ____
61
Add 12 each time.
4. What comes next? 6, 16, 26, 36, ____
46
Add 10 each time.
5. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
6. What comes next? 20, 35, 50, 65, ____
80
Add 15 each time.
7. What comes next? 16, 29, 42, 55, ____
68
Add 13 each time.
8. What comes next? 7, 17, 27, 37, ____
47
Add 10 each time.
9. What comes next? 14, 21, 28, 35, ____
42
Add 7 each time.
10. What comes next? 9, 16, 23, 30, ____
37
Add 7 each time.
11. What comes next? 4, 14, 24, 34, ____
44
Add 10 each time.
12. What comes next? 13, 27, 41, 55, ____
69
Add 14 each time.

12 questions · Seed 118 · Age guidance, not curriculum certification