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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? 20, 29, 38, 47, ____
2. What comes next? 7, 13, 19, 25, ____
3. What comes next? 8, 16, 24, 32, ____
4. What comes next? 15, 24, 33, 42, ____
5. What comes next? 14, 21, 28, 35, ____
6. What comes next? 11, 23, 35, 47, ____
7. What comes next? 10, 18, 26, 34, ____
8. What comes next? 18, 30, 42, 54, ____
9. What comes next? 15, 30, 45, 60, ____
10. What comes next? 6, 11, 16, 21, ____
11. What comes next? 19, 31, 43, 55, ____
12. What comes next? 1, 16, 31, 46, ____

12 questions · Seed 65 · 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? 20, 29, 38, 47, ____
56
Add 9 each time.
2. What comes next? 7, 13, 19, 25, ____
31
Add 6 each time.
3. What comes next? 8, 16, 24, 32, ____
40
Add 8 each time.
4. What comes next? 15, 24, 33, 42, ____
51
Add 9 each time.
5. What comes next? 14, 21, 28, 35, ____
42
Add 7 each time.
6. What comes next? 11, 23, 35, 47, ____
59
Add 12 each time.
7. What comes next? 10, 18, 26, 34, ____
42
Add 8 each time.
8. What comes next? 18, 30, 42, 54, ____
66
Add 12 each time.
9. What comes next? 15, 30, 45, 60, ____
75
Add 15 each time.
10. What comes next? 6, 11, 16, 21, ____
26
Add 5 each time.
11. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
12. What comes next? 1, 16, 31, 46, ____
61
Add 15 each time.

12 questions · Seed 65 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 20, 29, 38, 47, ____
2. What comes next? 7, 13, 19, 25, ____
3. What comes next? 8, 16, 24, 32, ____
4. What comes next? 15, 24, 33, 42, ____
5. What comes next? 14, 21, 28, 35, ____
6. What comes next? 11, 23, 35, 47, ____
7. What comes next? 10, 18, 26, 34, ____
8. What comes next? 18, 30, 42, 54, ____
9. What comes next? 15, 30, 45, 60, ____
10. What comes next? 6, 11, 16, 21, ____
11. What comes next? 19, 31, 43, 55, ____
12. What comes next? 1, 16, 31, 46, ____

12 questions · Seed 65 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 20, 29, 38, 47, ____
56
Add 9 each time.
2. What comes next? 7, 13, 19, 25, ____
31
Add 6 each time.
3. What comes next? 8, 16, 24, 32, ____
40
Add 8 each time.
4. What comes next? 15, 24, 33, 42, ____
51
Add 9 each time.
5. What comes next? 14, 21, 28, 35, ____
42
Add 7 each time.
6. What comes next? 11, 23, 35, 47, ____
59
Add 12 each time.
7. What comes next? 10, 18, 26, 34, ____
42
Add 8 each time.
8. What comes next? 18, 30, 42, 54, ____
66
Add 12 each time.
9. What comes next? 15, 30, 45, 60, ____
75
Add 15 each time.
10. What comes next? 6, 11, 16, 21, ____
26
Add 5 each time.
11. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
12. What comes next? 1, 16, 31, 46, ____
61
Add 15 each time.

12 questions · Seed 65 · Age guidance, not curriculum certification