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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? 6, 18, 30, 42, ____
2. What comes next? 2, 13, 24, 35, ____
3. What comes next? 7, 14, 21, 28, ____
4. What comes next? 8, 19, 30, 41, ____
5. What comes next? 12, 24, 36, 48, ____
6. What comes next? 7, 13, 19, 25, ____
7. What comes next? 1, 5, 9, 13, ____
8. What comes next? 15, 27, 39, 51, ____
9. What comes next? 17, 27, 37, 47, ____
10. What comes next? 19, 30, 41, 52, ____
11. What comes next? 1, 6, 11, 16, ____
12. What comes next? 10, 17, 24, 31, ____

12 questions · Seed 105 · 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? 6, 18, 30, 42, ____
54
Add 12 each time.
2. What comes next? 2, 13, 24, 35, ____
46
Add 11 each time.
3. What comes next? 7, 14, 21, 28, ____
35
Add 7 each time.
4. What comes next? 8, 19, 30, 41, ____
52
Add 11 each time.
5. What comes next? 12, 24, 36, 48, ____
60
Add 12 each time.
6. What comes next? 7, 13, 19, 25, ____
31
Add 6 each time.
7. What comes next? 1, 5, 9, 13, ____
17
Add 4 each time.
8. What comes next? 15, 27, 39, 51, ____
63
Add 12 each time.
9. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
10. What comes next? 19, 30, 41, 52, ____
63
Add 11 each time.
11. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
12. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.

12 questions · Seed 105 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 6, 18, 30, 42, ____
2. What comes next? 2, 13, 24, 35, ____
3. What comes next? 7, 14, 21, 28, ____
4. What comes next? 8, 19, 30, 41, ____
5. What comes next? 12, 24, 36, 48, ____
6. What comes next? 7, 13, 19, 25, ____
7. What comes next? 1, 5, 9, 13, ____
8. What comes next? 15, 27, 39, 51, ____
9. What comes next? 17, 27, 37, 47, ____
10. What comes next? 19, 30, 41, 52, ____
11. What comes next? 1, 6, 11, 16, ____
12. What comes next? 10, 17, 24, 31, ____

12 questions · Seed 105 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 6, 18, 30, 42, ____
54
Add 12 each time.
2. What comes next? 2, 13, 24, 35, ____
46
Add 11 each time.
3. What comes next? 7, 14, 21, 28, ____
35
Add 7 each time.
4. What comes next? 8, 19, 30, 41, ____
52
Add 11 each time.
5. What comes next? 12, 24, 36, 48, ____
60
Add 12 each time.
6. What comes next? 7, 13, 19, 25, ____
31
Add 6 each time.
7. What comes next? 1, 5, 9, 13, ____
17
Add 4 each time.
8. What comes next? 15, 27, 39, 51, ____
63
Add 12 each time.
9. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
10. What comes next? 19, 30, 41, 52, ____
63
Add 11 each time.
11. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
12. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.

12 questions · Seed 105 · Age guidance, not curriculum certification