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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, 13, 23, 33, ____
2. What comes next? 6, 16, 26, 36, ____
3. What comes next? 7, 12, 17, 22, ____
4. What comes next? 11, 19, 27, 35, ____
5. What comes next? 5, 19, 33, 47, ____
6. What comes next? 10, 15, 20, 25, ____
7. What comes next? 19, 23, 27, 31, ____
8. What comes next? 10, 22, 34, 46, ____
9. What comes next? 12, 20, 28, 36, ____
10. What comes next? 17, 28, 39, 50, ____
11. What comes next? 1, 5, 9, 13, ____
12. What comes next? 2, 10, 18, 26, ____

12 questions · Seed 126 · 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, 13, 23, 33, ____
43
Add 10 each time.
2. What comes next? 6, 16, 26, 36, ____
46
Add 10 each time.
3. What comes next? 7, 12, 17, 22, ____
27
Add 5 each time.
4. What comes next? 11, 19, 27, 35, ____
43
Add 8 each time.
5. What comes next? 5, 19, 33, 47, ____
61
Add 14 each time.
6. What comes next? 10, 15, 20, 25, ____
30
Add 5 each time.
7. What comes next? 19, 23, 27, 31, ____
35
Add 4 each time.
8. What comes next? 10, 22, 34, 46, ____
58
Add 12 each time.
9. What comes next? 12, 20, 28, 36, ____
44
Add 8 each time.
10. What comes next? 17, 28, 39, 50, ____
61
Add 11 each time.
11. What comes next? 1, 5, 9, 13, ____
17
Add 4 each time.
12. What comes next? 2, 10, 18, 26, ____
34
Add 8 each time.

12 questions · Seed 126 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 3, 13, 23, 33, ____
2. What comes next? 6, 16, 26, 36, ____
3. What comes next? 7, 12, 17, 22, ____
4. What comes next? 11, 19, 27, 35, ____
5. What comes next? 5, 19, 33, 47, ____
6. What comes next? 10, 15, 20, 25, ____
7. What comes next? 19, 23, 27, 31, ____
8. What comes next? 10, 22, 34, 46, ____
9. What comes next? 12, 20, 28, 36, ____
10. What comes next? 17, 28, 39, 50, ____
11. What comes next? 1, 5, 9, 13, ____
12. What comes next? 2, 10, 18, 26, ____

12 questions · Seed 126 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 3, 13, 23, 33, ____
43
Add 10 each time.
2. What comes next? 6, 16, 26, 36, ____
46
Add 10 each time.
3. What comes next? 7, 12, 17, 22, ____
27
Add 5 each time.
4. What comes next? 11, 19, 27, 35, ____
43
Add 8 each time.
5. What comes next? 5, 19, 33, 47, ____
61
Add 14 each time.
6. What comes next? 10, 15, 20, 25, ____
30
Add 5 each time.
7. What comes next? 19, 23, 27, 31, ____
35
Add 4 each time.
8. What comes next? 10, 22, 34, 46, ____
58
Add 12 each time.
9. What comes next? 12, 20, 28, 36, ____
44
Add 8 each time.
10. What comes next? 17, 28, 39, 50, ____
61
Add 11 each time.
11. What comes next? 1, 5, 9, 13, ____
17
Add 4 each time.
12. What comes next? 2, 10, 18, 26, ____
34
Add 8 each time.

12 questions · Seed 126 · Age guidance, not curriculum certification