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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? 17, 25, 33, 41, ____
2. What comes next? 2, 12, 22, 32, ____
3. What comes next? 4, 17, 30, 43, ____
4. What comes next? 5, 17, 29, 41, ____
5. What comes next? 2, 15, 28, 41, ____
6. What comes next? 17, 27, 37, 47, ____
7. What comes next? 12, 25, 38, 51, ____
8. What comes next? 13, 19, 25, 31, ____
9. What comes next? 15, 24, 33, 42, ____
10. What comes next? 10, 19, 28, 37, ____
11. What comes next? 19, 25, 31, 37, ____
12. What comes next? 2, 7, 12, 17, ____

12 questions · Seed 100 · 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? 17, 25, 33, 41, ____
49
Add 8 each time.
2. What comes next? 2, 12, 22, 32, ____
42
Add 10 each time.
3. What comes next? 4, 17, 30, 43, ____
56
Add 13 each time.
4. What comes next? 5, 17, 29, 41, ____
53
Add 12 each time.
5. What comes next? 2, 15, 28, 41, ____
54
Add 13 each time.
6. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
7. What comes next? 12, 25, 38, 51, ____
64
Add 13 each time.
8. What comes next? 13, 19, 25, 31, ____
37
Add 6 each time.
9. What comes next? 15, 24, 33, 42, ____
51
Add 9 each time.
10. What comes next? 10, 19, 28, 37, ____
46
Add 9 each time.
11. What comes next? 19, 25, 31, 37, ____
43
Add 6 each time.
12. What comes next? 2, 7, 12, 17, ____
22
Add 5 each time.

12 questions · Seed 100 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 17, 25, 33, 41, ____
2. What comes next? 2, 12, 22, 32, ____
3. What comes next? 4, 17, 30, 43, ____
4. What comes next? 5, 17, 29, 41, ____
5. What comes next? 2, 15, 28, 41, ____
6. What comes next? 17, 27, 37, 47, ____
7. What comes next? 12, 25, 38, 51, ____
8. What comes next? 13, 19, 25, 31, ____
9. What comes next? 15, 24, 33, 42, ____
10. What comes next? 10, 19, 28, 37, ____
11. What comes next? 19, 25, 31, 37, ____
12. What comes next? 2, 7, 12, 17, ____

12 questions · Seed 100 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 17, 25, 33, 41, ____
49
Add 8 each time.
2. What comes next? 2, 12, 22, 32, ____
42
Add 10 each time.
3. What comes next? 4, 17, 30, 43, ____
56
Add 13 each time.
4. What comes next? 5, 17, 29, 41, ____
53
Add 12 each time.
5. What comes next? 2, 15, 28, 41, ____
54
Add 13 each time.
6. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
7. What comes next? 12, 25, 38, 51, ____
64
Add 13 each time.
8. What comes next? 13, 19, 25, 31, ____
37
Add 6 each time.
9. What comes next? 15, 24, 33, 42, ____
51
Add 9 each time.
10. What comes next? 10, 19, 28, 37, ____
46
Add 9 each time.
11. What comes next? 19, 25, 31, 37, ____
43
Add 6 each time.
12. What comes next? 2, 7, 12, 17, ____
22
Add 5 each time.

12 questions · Seed 100 · Age guidance, not curriculum certification