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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? 8, 23, 38, 53, ____
2. What comes next? 20, 27, 34, 41, ____
3. What comes next? 20, 30, 40, 50, ____
4. What comes next? 18, 23, 28, 33, ____
5. What comes next? 10, 22, 34, 46, ____
6. What comes next? 10, 17, 24, 31, ____
7. What comes next? 2, 11, 20, 29, ____
8. What comes next? 7, 20, 33, 46, ____
9. What comes next? 6, 10, 14, 18, ____
10. What comes next? 11, 18, 25, 32, ____
11. What comes next? 7, 21, 35, 49, ____
12. What comes next? 15, 22, 29, 36, ____

12 questions · Seed 48 · 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? 8, 23, 38, 53, ____
68
Add 15 each time.
2. What comes next? 20, 27, 34, 41, ____
48
Add 7 each time.
3. What comes next? 20, 30, 40, 50, ____
60
Add 10 each time.
4. What comes next? 18, 23, 28, 33, ____
38
Add 5 each time.
5. What comes next? 10, 22, 34, 46, ____
58
Add 12 each time.
6. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.
7. What comes next? 2, 11, 20, 29, ____
38
Add 9 each time.
8. What comes next? 7, 20, 33, 46, ____
59
Add 13 each time.
9. What comes next? 6, 10, 14, 18, ____
22
Add 4 each time.
10. What comes next? 11, 18, 25, 32, ____
39
Add 7 each time.
11. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
12. What comes next? 15, 22, 29, 36, ____
43
Add 7 each time.

12 questions · Seed 48 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 8, 23, 38, 53, ____
2. What comes next? 20, 27, 34, 41, ____
3. What comes next? 20, 30, 40, 50, ____
4. What comes next? 18, 23, 28, 33, ____
5. What comes next? 10, 22, 34, 46, ____
6. What comes next? 10, 17, 24, 31, ____
7. What comes next? 2, 11, 20, 29, ____
8. What comes next? 7, 20, 33, 46, ____
9. What comes next? 6, 10, 14, 18, ____
10. What comes next? 11, 18, 25, 32, ____
11. What comes next? 7, 21, 35, 49, ____
12. What comes next? 15, 22, 29, 36, ____

12 questions · Seed 48 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 8, 23, 38, 53, ____
68
Add 15 each time.
2. What comes next? 20, 27, 34, 41, ____
48
Add 7 each time.
3. What comes next? 20, 30, 40, 50, ____
60
Add 10 each time.
4. What comes next? 18, 23, 28, 33, ____
38
Add 5 each time.
5. What comes next? 10, 22, 34, 46, ____
58
Add 12 each time.
6. What comes next? 10, 17, 24, 31, ____
38
Add 7 each time.
7. What comes next? 2, 11, 20, 29, ____
38
Add 9 each time.
8. What comes next? 7, 20, 33, 46, ____
59
Add 13 each time.
9. What comes next? 6, 10, 14, 18, ____
22
Add 4 each time.
10. What comes next? 11, 18, 25, 32, ____
39
Add 7 each time.
11. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
12. What comes next? 15, 22, 29, 36, ____
43
Add 7 each time.

12 questions · Seed 48 · Age guidance, not curriculum certification