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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, 27, 35, 43, ____
2. What comes next? 17, 28, 39, 50, ____
3. What comes next? 11, 26, 41, 56, ____
4. What comes next? 10, 18, 26, 34, ____
5. What comes next? 2, 15, 28, 41, ____
6. What comes next? 13, 17, 21, 25, ____
7. What comes next? 4, 9, 14, 19, ____
8. What comes next? 13, 28, 43, 58, ____
9. What comes next? 19, 31, 43, 55, ____
10. What comes next? 6, 20, 34, 48, ____
11. What comes next? 1, 11, 21, 31, ____
12. What comes next? 11, 21, 31, 41, ____

12 questions · Seed 80 · 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, 27, 35, 43, ____
51
Add 8 each time.
2. What comes next? 17, 28, 39, 50, ____
61
Add 11 each time.
3. What comes next? 11, 26, 41, 56, ____
71
Add 15 each time.
4. What comes next? 10, 18, 26, 34, ____
42
Add 8 each time.
5. What comes next? 2, 15, 28, 41, ____
54
Add 13 each time.
6. What comes next? 13, 17, 21, 25, ____
29
Add 4 each time.
7. What comes next? 4, 9, 14, 19, ____
24
Add 5 each time.
8. What comes next? 13, 28, 43, 58, ____
73
Add 15 each time.
9. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
10. What comes next? 6, 20, 34, 48, ____
62
Add 14 each time.
11. What comes next? 1, 11, 21, 31, ____
41
Add 10 each time.
12. What comes next? 11, 21, 31, 41, ____
51
Add 10 each time.

12 questions · Seed 80 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 19, 27, 35, 43, ____
2. What comes next? 17, 28, 39, 50, ____
3. What comes next? 11, 26, 41, 56, ____
4. What comes next? 10, 18, 26, 34, ____
5. What comes next? 2, 15, 28, 41, ____
6. What comes next? 13, 17, 21, 25, ____
7. What comes next? 4, 9, 14, 19, ____
8. What comes next? 13, 28, 43, 58, ____
9. What comes next? 19, 31, 43, 55, ____
10. What comes next? 6, 20, 34, 48, ____
11. What comes next? 1, 11, 21, 31, ____
12. What comes next? 11, 21, 31, 41, ____

12 questions · Seed 80 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 19, 27, 35, 43, ____
51
Add 8 each time.
2. What comes next? 17, 28, 39, 50, ____
61
Add 11 each time.
3. What comes next? 11, 26, 41, 56, ____
71
Add 15 each time.
4. What comes next? 10, 18, 26, 34, ____
42
Add 8 each time.
5. What comes next? 2, 15, 28, 41, ____
54
Add 13 each time.
6. What comes next? 13, 17, 21, 25, ____
29
Add 4 each time.
7. What comes next? 4, 9, 14, 19, ____
24
Add 5 each time.
8. What comes next? 13, 28, 43, 58, ____
73
Add 15 each time.
9. What comes next? 19, 31, 43, 55, ____
67
Add 12 each time.
10. What comes next? 6, 20, 34, 48, ____
62
Add 14 each time.
11. What comes next? 1, 11, 21, 31, ____
41
Add 10 each time.
12. What comes next? 11, 21, 31, 41, ____
51
Add 10 each time.

12 questions · Seed 80 · Age guidance, not curriculum certification