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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? 5, 9, 13, 17, ____
2. What comes next? 9, 17, 25, 33, ____
3. What comes next? 6, 19, 32, 45, ____
4. What comes next? 19, 30, 41, 52, ____
5. What comes next? 16, 31, 46, 61, ____
6. What comes next? 11, 18, 25, 32, ____
7. What comes next? 1, 6, 11, 16, ____
8. What comes next? 19, 23, 27, 31, ____
9. What comes next? 20, 32, 44, 56, ____
10. What comes next? 12, 18, 24, 30, ____
11. What comes next? 11, 17, 23, 29, ____
12. What comes next? 15, 30, 45, 60, ____

12 questions · Seed 102 · 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? 5, 9, 13, 17, ____
21
Add 4 each time.
2. What comes next? 9, 17, 25, 33, ____
41
Add 8 each time.
3. What comes next? 6, 19, 32, 45, ____
58
Add 13 each time.
4. What comes next? 19, 30, 41, 52, ____
63
Add 11 each time.
5. What comes next? 16, 31, 46, 61, ____
76
Add 15 each time.
6. What comes next? 11, 18, 25, 32, ____
39
Add 7 each time.
7. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
8. What comes next? 19, 23, 27, 31, ____
35
Add 4 each time.
9. What comes next? 20, 32, 44, 56, ____
68
Add 12 each time.
10. What comes next? 12, 18, 24, 30, ____
36
Add 6 each time.
11. What comes next? 11, 17, 23, 29, ____
35
Add 6 each time.
12. What comes next? 15, 30, 45, 60, ____
75
Add 15 each time.

12 questions · Seed 102 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 5, 9, 13, 17, ____
2. What comes next? 9, 17, 25, 33, ____
3. What comes next? 6, 19, 32, 45, ____
4. What comes next? 19, 30, 41, 52, ____
5. What comes next? 16, 31, 46, 61, ____
6. What comes next? 11, 18, 25, 32, ____
7. What comes next? 1, 6, 11, 16, ____
8. What comes next? 19, 23, 27, 31, ____
9. What comes next? 20, 32, 44, 56, ____
10. What comes next? 12, 18, 24, 30, ____
11. What comes next? 11, 17, 23, 29, ____
12. What comes next? 15, 30, 45, 60, ____

12 questions · Seed 102 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 5, 9, 13, 17, ____
21
Add 4 each time.
2. What comes next? 9, 17, 25, 33, ____
41
Add 8 each time.
3. What comes next? 6, 19, 32, 45, ____
58
Add 13 each time.
4. What comes next? 19, 30, 41, 52, ____
63
Add 11 each time.
5. What comes next? 16, 31, 46, 61, ____
76
Add 15 each time.
6. What comes next? 11, 18, 25, 32, ____
39
Add 7 each time.
7. What comes next? 1, 6, 11, 16, ____
21
Add 5 each time.
8. What comes next? 19, 23, 27, 31, ____
35
Add 4 each time.
9. What comes next? 20, 32, 44, 56, ____
68
Add 12 each time.
10. What comes next? 12, 18, 24, 30, ____
36
Add 6 each time.
11. What comes next? 11, 17, 23, 29, ____
35
Add 6 each time.
12. What comes next? 15, 30, 45, 60, ____
75
Add 15 each time.

12 questions · Seed 102 · Age guidance, not curriculum certification