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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? 19, 29, 39, 49, ____
2. What comes next? 7, 13, 19, 25, ____
3. What comes next? 6, 13, 20, 27, ____
4. What comes next? 9, 22, 35, 48, ____
5. What comes next? 10, 17, 24, 31, ____
6. What comes next? 2, 17, 32, 47, ____
7. What comes next? 8, 12, 16, 20, ____
8. What comes next? 14, 20, 26, 32, ____
9. What comes next? 18, 31, 44, 57, ____
10. What comes next? 20, 29, 38, 47, ____
11. What comes next? 4, 11, 18, 25, ____
12. What comes next? 3, 14, 25, 36, ____

12 questions · Seed 101 · 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? 19, 29, 39, 49, ____
59
Add 10 each time.
2. What comes next? 7, 13, 19, 25, ____
31
Add 6 each time.
3. What comes next? 6, 13, 20, 27, ____
34
Add 7 each time.
4. What comes next? 9, 22, 35, 48, ____
61
Add 13 each time.
5. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.
6. What comes next? 2, 17, 32, 47, ____
62
Add 15 each time.
7. What comes next? 8, 12, 16, 20, ____
24
Add 4 each time.
8. What comes next? 14, 20, 26, 32, ____
38
Add 6 each time.
9. What comes next? 18, 31, 44, 57, ____
70
Add 13 each time.
10. What comes next? 20, 29, 38, 47, ____
56
Add 9 each time.
11. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
12. What comes next? 3, 14, 25, 36, ____
47
Add 11 each time.

12 questions · Seed 101 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 19, 29, 39, 49, ____
2. What comes next? 7, 13, 19, 25, ____
3. What comes next? 6, 13, 20, 27, ____
4. What comes next? 9, 22, 35, 48, ____
5. What comes next? 10, 17, 24, 31, ____
6. What comes next? 2, 17, 32, 47, ____
7. What comes next? 8, 12, 16, 20, ____
8. What comes next? 14, 20, 26, 32, ____
9. What comes next? 18, 31, 44, 57, ____
10. What comes next? 20, 29, 38, 47, ____
11. What comes next? 4, 11, 18, 25, ____
12. What comes next? 3, 14, 25, 36, ____

12 questions · Seed 101 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 19, 29, 39, 49, ____
59
Add 10 each time.
2. What comes next? 7, 13, 19, 25, ____
31
Add 6 each time.
3. What comes next? 6, 13, 20, 27, ____
34
Add 7 each time.
4. What comes next? 9, 22, 35, 48, ____
61
Add 13 each time.
5. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.
6. What comes next? 2, 17, 32, 47, ____
62
Add 15 each time.
7. What comes next? 8, 12, 16, 20, ____
24
Add 4 each time.
8. What comes next? 14, 20, 26, 32, ____
38
Add 6 each time.
9. What comes next? 18, 31, 44, 57, ____
70
Add 13 each time.
10. What comes next? 20, 29, 38, 47, ____
56
Add 9 each time.
11. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
12. What comes next? 3, 14, 25, 36, ____
47
Add 11 each time.

12 questions · Seed 101 · Age guidance, not curriculum certification