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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? 9, 17, 25, 33, ____
2. What comes next? 6, 15, 24, 33, ____
3. What comes next? 14, 19, 24, 29, ____
4. What comes next? 11, 17, 23, 29, ____
5. What comes next? 14, 27, 40, 53, ____
6. What comes next? 11, 15, 19, 23, ____
7. What comes next? 16, 27, 38, 49, ____
8. What comes next? 7, 17, 27, 37, ____
9. What comes next? 9, 13, 17, 21, ____
10. What comes next? 6, 14, 22, 30, ____
11. What comes next? 1, 9, 17, 25, ____
12. What comes next? 9, 19, 29, 39, ____

12 questions · Seed 52 · 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? 9, 17, 25, 33, ____
41
Add 8 each time.
2. What comes next? 6, 15, 24, 33, ____
42
Add 9 each time.
3. What comes next? 14, 19, 24, 29, ____
34
Add 5 each time.
4. What comes next? 11, 17, 23, 29, ____
35
Add 6 each time.
5. What comes next? 14, 27, 40, 53, ____
66
Add 13 each time.
6. What comes next? 11, 15, 19, 23, ____
27
Add 4 each time.
7. What comes next? 16, 27, 38, 49, ____
60
Add 11 each time.
8. What comes next? 7, 17, 27, 37, ____
47
Add 10 each time.
9. What comes next? 9, 13, 17, 21, ____
25
Add 4 each time.
10. What comes next? 6, 14, 22, 30, ____
38
Add 8 each time.
11. What comes next? 1, 9, 17, 25, ____
33
Add 8 each time.
12. What comes next? 9, 19, 29, 39, ____
49
Add 10 each time.

12 questions · Seed 52 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 9, 17, 25, 33, ____
2. What comes next? 6, 15, 24, 33, ____
3. What comes next? 14, 19, 24, 29, ____
4. What comes next? 11, 17, 23, 29, ____
5. What comes next? 14, 27, 40, 53, ____
6. What comes next? 11, 15, 19, 23, ____
7. What comes next? 16, 27, 38, 49, ____
8. What comes next? 7, 17, 27, 37, ____
9. What comes next? 9, 13, 17, 21, ____
10. What comes next? 6, 14, 22, 30, ____
11. What comes next? 1, 9, 17, 25, ____
12. What comes next? 9, 19, 29, 39, ____

12 questions · Seed 52 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 9, 17, 25, 33, ____
41
Add 8 each time.
2. What comes next? 6, 15, 24, 33, ____
42
Add 9 each time.
3. What comes next? 14, 19, 24, 29, ____
34
Add 5 each time.
4. What comes next? 11, 17, 23, 29, ____
35
Add 6 each time.
5. What comes next? 14, 27, 40, 53, ____
66
Add 13 each time.
6. What comes next? 11, 15, 19, 23, ____
27
Add 4 each time.
7. What comes next? 16, 27, 38, 49, ____
60
Add 11 each time.
8. What comes next? 7, 17, 27, 37, ____
47
Add 10 each time.
9. What comes next? 9, 13, 17, 21, ____
25
Add 4 each time.
10. What comes next? 6, 14, 22, 30, ____
38
Add 8 each time.
11. What comes next? 1, 9, 17, 25, ____
33
Add 8 each time.
12. What comes next? 9, 19, 29, 39, ____
49
Add 10 each time.

12 questions · Seed 52 · Age guidance, not curriculum certification