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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? 6, 17, 28, 39, ____
2. What comes next? 17, 27, 37, 47, ____
3. What comes next? 2, 7, 12, 17, ____
4. What comes next? 17, 31, 45, 59, ____
5. What comes next? 7, 19, 31, 43, ____
6. What comes next? 5, 13, 21, 29, ____
7. What comes next? 8, 16, 24, 32, ____
8. What comes next? 4, 13, 22, 31, ____
9. What comes next? 3, 18, 33, 48, ____
10. What comes next? 12, 19, 26, 33, ____
11. What comes next? 8, 14, 20, 26, ____
12. What comes next? 6, 18, 30, 42, ____

12 questions · Seed 110 · 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? 6, 17, 28, 39, ____
50
Add 11 each time.
2. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
3. What comes next? 2, 7, 12, 17, ____
22
Add 5 each time.
4. What comes next? 17, 31, 45, 59, ____
73
Add 14 each time.
5. What comes next? 7, 19, 31, 43, ____
55
Add 12 each time.
6. What comes next? 5, 13, 21, 29, ____
37
Add 8 each time.
7. What comes next? 8, 16, 24, 32, ____
40
Add 8 each time.
8. What comes next? 4, 13, 22, 31, ____
40
Add 9 each time.
9. What comes next? 3, 18, 33, 48, ____
63
Add 15 each time.
10. What comes next? 12, 19, 26, 33, ____
40
Add 7 each time.
11. What comes next? 8, 14, 20, 26, ____
32
Add 6 each time.
12. What comes next? 6, 18, 30, 42, ____
54
Add 12 each time.

12 questions · Seed 110 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 6, 17, 28, 39, ____
2. What comes next? 17, 27, 37, 47, ____
3. What comes next? 2, 7, 12, 17, ____
4. What comes next? 17, 31, 45, 59, ____
5. What comes next? 7, 19, 31, 43, ____
6. What comes next? 5, 13, 21, 29, ____
7. What comes next? 8, 16, 24, 32, ____
8. What comes next? 4, 13, 22, 31, ____
9. What comes next? 3, 18, 33, 48, ____
10. What comes next? 12, 19, 26, 33, ____
11. What comes next? 8, 14, 20, 26, ____
12. What comes next? 6, 18, 30, 42, ____

12 questions · Seed 110 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 6, 17, 28, 39, ____
50
Add 11 each time.
2. What comes next? 17, 27, 37, 47, ____
57
Add 10 each time.
3. What comes next? 2, 7, 12, 17, ____
22
Add 5 each time.
4. What comes next? 17, 31, 45, 59, ____
73
Add 14 each time.
5. What comes next? 7, 19, 31, 43, ____
55
Add 12 each time.
6. What comes next? 5, 13, 21, 29, ____
37
Add 8 each time.
7. What comes next? 8, 16, 24, 32, ____
40
Add 8 each time.
8. What comes next? 4, 13, 22, 31, ____
40
Add 9 each time.
9. What comes next? 3, 18, 33, 48, ____
63
Add 15 each time.
10. What comes next? 12, 19, 26, 33, ____
40
Add 7 each time.
11. What comes next? 8, 14, 20, 26, ____
32
Add 6 each time.
12. What comes next? 6, 18, 30, 42, ____
54
Add 12 each time.

12 questions · Seed 110 · Age guidance, not curriculum certification