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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? 3, 7, 11, 15, ____
2. What comes next? 13, 19, 25, 31, ____
3. What comes next? 19, 31, 43, 55, ____
4. What comes next? 14, 29, 44, 59, ____
5. What comes next? 15, 30, 45, 60, ____
6. What comes next? 14, 26, 38, 50, ____
7. What comes next? 8, 21, 34, 47, ____
8. What comes next? 11, 20, 29, 38, ____
9. What comes next? 14, 27, 40, 53, ____
10. What comes next? 4, 11, 18, 25, ____
11. What comes next? 4, 18, 32, 46, ____
12. What comes next? 19, 33, 47, 61, ____

12 questions · Seed 122 · 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? 3, 7, 11, 15, ____
19
Add 4 each time.
2. What comes next? 13, 19, 25, 31, ____
37
Add 6 each time.
3. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
4. What comes next? 14, 29, 44, 59, ____
74
Add 15 each time.
5. What comes next? 15, 30, 45, 60, ____
75
Add 15 each time.
6. What comes next? 14, 26, 38, 50, ____
62
Add 12 each time.
7. What comes next? 8, 21, 34, 47, ____
60
Add 13 each time.
8. What comes next? 11, 20, 29, 38, ____
47
Add 9 each time.
9. What comes next? 14, 27, 40, 53, ____
66
Add 13 each time.
10. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
11. What comes next? 4, 18, 32, 46, ____
60
Add 14 each time.
12. What comes next? 19, 33, 47, 61, ____
75
Add 14 each time.

12 questions · Seed 122 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 3, 7, 11, 15, ____
2. What comes next? 13, 19, 25, 31, ____
3. What comes next? 19, 31, 43, 55, ____
4. What comes next? 14, 29, 44, 59, ____
5. What comes next? 15, 30, 45, 60, ____
6. What comes next? 14, 26, 38, 50, ____
7. What comes next? 8, 21, 34, 47, ____
8. What comes next? 11, 20, 29, 38, ____
9. What comes next? 14, 27, 40, 53, ____
10. What comes next? 4, 11, 18, 25, ____
11. What comes next? 4, 18, 32, 46, ____
12. What comes next? 19, 33, 47, 61, ____

12 questions · Seed 122 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 3, 7, 11, 15, ____
19
Add 4 each time.
2. What comes next? 13, 19, 25, 31, ____
37
Add 6 each time.
3. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
4. What comes next? 14, 29, 44, 59, ____
74
Add 15 each time.
5. What comes next? 15, 30, 45, 60, ____
75
Add 15 each time.
6. What comes next? 14, 26, 38, 50, ____
62
Add 12 each time.
7. What comes next? 8, 21, 34, 47, ____
60
Add 13 each time.
8. What comes next? 11, 20, 29, 38, ____
47
Add 9 each time.
9. What comes next? 14, 27, 40, 53, ____
66
Add 13 each time.
10. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
11. What comes next? 4, 18, 32, 46, ____
60
Add 14 each time.
12. What comes next? 19, 33, 47, 61, ____
75
Add 14 each time.

12 questions · Seed 122 · Age guidance, not curriculum certification