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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? 4, 17, 30, 43, ____
2. What comes next? 20, 32, 44, 56, ____
3. What comes next? 12, 21, 30, 39, ____
4. What comes next? 17, 32, 47, 62, ____
5. What comes next? 15, 23, 31, 39, ____
6. What comes next? 10, 17, 24, 31, ____
7. What comes next? 14, 26, 38, 50, ____
8. What comes next? 14, 18, 22, 26, ____
9. What comes next? 9, 21, 33, 45, ____
10. What comes next? 8, 19, 30, 41, ____
11. What comes next? 8, 15, 22, 29, ____
12. What comes next? 6, 11, 16, 21, ____

12 questions · Seed 94 · 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? 4, 17, 30, 43, ____
56
Add 13 each time.
2. What comes next? 20, 32, 44, 56, ____
68
Add 12 each time.
3. What comes next? 12, 21, 30, 39, ____
48
Add 9 each time.
4. What comes next? 17, 32, 47, 62, ____
77
Add 15 each time.
5. What comes next? 15, 23, 31, 39, ____
47
Add 8 each time.
6. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.
7. What comes next? 14, 26, 38, 50, ____
62
Add 12 each time.
8. What comes next? 14, 18, 22, 26, ____
30
Add 4 each time.
9. What comes next? 9, 21, 33, 45, ____
57
Add 12 each time.
10. What comes next? 8, 19, 30, 41, ____
52
Add 11 each time.
11. What comes next? 8, 15, 22, 29, ____
36
Add 7 each time.
12. What comes next? 6, 11, 16, 21, ____
26
Add 5 each time.

12 questions · Seed 94 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 4, 17, 30, 43, ____
2. What comes next? 20, 32, 44, 56, ____
3. What comes next? 12, 21, 30, 39, ____
4. What comes next? 17, 32, 47, 62, ____
5. What comes next? 15, 23, 31, 39, ____
6. What comes next? 10, 17, 24, 31, ____
7. What comes next? 14, 26, 38, 50, ____
8. What comes next? 14, 18, 22, 26, ____
9. What comes next? 9, 21, 33, 45, ____
10. What comes next? 8, 19, 30, 41, ____
11. What comes next? 8, 15, 22, 29, ____
12. What comes next? 6, 11, 16, 21, ____

12 questions · Seed 94 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 4, 17, 30, 43, ____
56
Add 13 each time.
2. What comes next? 20, 32, 44, 56, ____
68
Add 12 each time.
3. What comes next? 12, 21, 30, 39, ____
48
Add 9 each time.
4. What comes next? 17, 32, 47, 62, ____
77
Add 15 each time.
5. What comes next? 15, 23, 31, 39, ____
47
Add 8 each time.
6. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.
7. What comes next? 14, 26, 38, 50, ____
62
Add 12 each time.
8. What comes next? 14, 18, 22, 26, ____
30
Add 4 each time.
9. What comes next? 9, 21, 33, 45, ____
57
Add 12 each time.
10. What comes next? 8, 19, 30, 41, ____
52
Add 11 each time.
11. What comes next? 8, 15, 22, 29, ____
36
Add 7 each time.
12. What comes next? 6, 11, 16, 21, ____
26
Add 5 each time.

12 questions · Seed 94 · Age guidance, not curriculum certification