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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? 18, 33, 48, 63, ____
2. What comes next? 16, 31, 46, 61, ____
3. What comes next? 4, 11, 18, 25, ____
4. What comes next? 20, 28, 36, 44, ____
5. What comes next? 19, 30, 41, 52, ____
6. What comes next? 19, 24, 29, 34, ____
7. What comes next? 18, 31, 44, 57, ____
8. What comes next? 16, 28, 40, 52, ____
9. What comes next? 2, 10, 18, 26, ____
10. What comes next? 7, 21, 35, 49, ____
11. What comes next? 9, 16, 23, 30, ____
12. What comes next? 16, 23, 30, 37, ____

12 questions · Seed 125 · 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? 18, 33, 48, 63, ____
78
Add 15 each time.
2. What comes next? 16, 31, 46, 61, ____
76
Add 15 each time.
3. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
4. What comes next? 20, 28, 36, 44, ____
52
Add 8 each time.
5. What comes next? 19, 30, 41, 52, ____
63
Add 11 each time.
6. What comes next? 19, 24, 29, 34, ____
39
Add 5 each time.
7. What comes next? 18, 31, 44, 57, ____
70
Add 13 each time.
8. What comes next? 16, 28, 40, 52, ____
64
Add 12 each time.
9. What comes next? 2, 10, 18, 26, ____
34
Add 8 each time.
10. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
11. What comes next? 9, 16, 23, 30, ____
37
Add 7 each time.
12. What comes next? 16, 23, 30, 37, ____
44
Add 7 each time.

12 questions · Seed 125 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 18, 33, 48, 63, ____
2. What comes next? 16, 31, 46, 61, ____
3. What comes next? 4, 11, 18, 25, ____
4. What comes next? 20, 28, 36, 44, ____
5. What comes next? 19, 30, 41, 52, ____
6. What comes next? 19, 24, 29, 34, ____
7. What comes next? 18, 31, 44, 57, ____
8. What comes next? 16, 28, 40, 52, ____
9. What comes next? 2, 10, 18, 26, ____
10. What comes next? 7, 21, 35, 49, ____
11. What comes next? 9, 16, 23, 30, ____
12. What comes next? 16, 23, 30, 37, ____

12 questions · Seed 125 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 18, 33, 48, 63, ____
78
Add 15 each time.
2. What comes next? 16, 31, 46, 61, ____
76
Add 15 each time.
3. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
4. What comes next? 20, 28, 36, 44, ____
52
Add 8 each time.
5. What comes next? 19, 30, 41, 52, ____
63
Add 11 each time.
6. What comes next? 19, 24, 29, 34, ____
39
Add 5 each time.
7. What comes next? 18, 31, 44, 57, ____
70
Add 13 each time.
8. What comes next? 16, 28, 40, 52, ____
64
Add 12 each time.
9. What comes next? 2, 10, 18, 26, ____
34
Add 8 each time.
10. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
11. What comes next? 9, 16, 23, 30, ____
37
Add 7 each time.
12. What comes next? 16, 23, 30, 37, ____
44
Add 7 each time.

12 questions · Seed 125 · Age guidance, not curriculum certification