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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? 1, 6, 11, 16, ____
2. What comes next? 4, 17, 30, 43, ____
3. What comes next? 15, 27, 39, 51, ____
4. What comes next? 4, 13, 22, 31, ____
5. What comes next? 12, 21, 30, 39, ____
6. What comes next? 10, 21, 32, 43, ____
7. What comes next? 11, 23, 35, 47, ____
8. What comes next? 13, 23, 33, 43, ____
9. What comes next? 18, 28, 38, 48, ____
10. What comes next? 9, 24, 39, 54, ____
11. What comes next? 7, 21, 35, 49, ____
12. What comes next? 10, 22, 34, 46, ____

12 questions · Seed 50 · 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? 1, 6, 11, 16, ____
21
Add 5 each time.
2. What comes next? 4, 17, 30, 43, ____
56
Add 13 each time.
3. What comes next? 15, 27, 39, 51, ____
63
Add 12 each time.
4. What comes next? 4, 13, 22, 31, ____
40
Add 9 each time.
5. What comes next? 12, 21, 30, 39, ____
48
Add 9 each time.
6. What comes next? 10, 21, 32, 43, ____
54
Add 11 each time.
7. What comes next? 11, 23, 35, 47, ____
59
Add 12 each time.
8. What comes next? 13, 23, 33, 43, ____
53
Add 10 each time.
9. What comes next? 18, 28, 38, 48, ____
58
Add 10 each time.
10. What comes next? 9, 24, 39, 54, ____
69
Add 15 each time.
11. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
12. What comes next? 10, 22, 34, 46, ____
58
Add 12 each time.

12 questions · Seed 50 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 1, 6, 11, 16, ____
2. What comes next? 4, 17, 30, 43, ____
3. What comes next? 15, 27, 39, 51, ____
4. What comes next? 4, 13, 22, 31, ____
5. What comes next? 12, 21, 30, 39, ____
6. What comes next? 10, 21, 32, 43, ____
7. What comes next? 11, 23, 35, 47, ____
8. What comes next? 13, 23, 33, 43, ____
9. What comes next? 18, 28, 38, 48, ____
10. What comes next? 9, 24, 39, 54, ____
11. What comes next? 7, 21, 35, 49, ____
12. What comes next? 10, 22, 34, 46, ____

12 questions · Seed 50 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
2. What comes next? 4, 17, 30, 43, ____
56
Add 13 each time.
3. What comes next? 15, 27, 39, 51, ____
63
Add 12 each time.
4. What comes next? 4, 13, 22, 31, ____
40
Add 9 each time.
5. What comes next? 12, 21, 30, 39, ____
48
Add 9 each time.
6. What comes next? 10, 21, 32, 43, ____
54
Add 11 each time.
7. What comes next? 11, 23, 35, 47, ____
59
Add 12 each time.
8. What comes next? 13, 23, 33, 43, ____
53
Add 10 each time.
9. What comes next? 18, 28, 38, 48, ____
58
Add 10 each time.
10. What comes next? 9, 24, 39, 54, ____
69
Add 15 each time.
11. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
12. What comes next? 10, 22, 34, 46, ____
58
Add 12 each time.

12 questions · Seed 50 · Age guidance, not curriculum certification