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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? 6, 11, 16, 21, ____
3. What comes next? 11, 19, 27, 35, ____
4. What comes next? 20, 24, 28, 32, ____
5. What comes next? 1, 9, 17, 25, ____
6. What comes next? 19, 32, 45, 58, ____
7. What comes next? 8, 20, 32, 44, ____
8. What comes next? 20, 35, 50, 65, ____
9. What comes next? 5, 19, 33, 47, ____
10. What comes next? 19, 33, 47, 61, ____
11. What comes next? 4, 12, 20, 28, ____
12. What comes next? 11, 21, 31, 41, ____

12 questions · Seed 77 · 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? 6, 11, 16, 21, ____
26
Add 5 each time.
3. What comes next? 11, 19, 27, 35, ____
43
Add 8 each time.
4. What comes next? 20, 24, 28, 32, ____
36
Add 4 each time.
5. What comes next? 1, 9, 17, 25, ____
33
Add 8 each time.
6. What comes next? 19, 32, 45, 58, ____
71
Add 13 each time.
7. What comes next? 8, 20, 32, 44, ____
56
Add 12 each time.
8. What comes next? 20, 35, 50, 65, ____
80
Add 15 each time.
9. What comes next? 5, 19, 33, 47, ____
61
Add 14 each time.
10. What comes next? 19, 33, 47, 61, ____
75
Add 14 each time.
11. What comes next? 4, 12, 20, 28, ____
36
Add 8 each time.
12. What comes next? 11, 21, 31, 41, ____
51
Add 10 each time.

12 questions · Seed 77 · 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? 6, 11, 16, 21, ____
3. What comes next? 11, 19, 27, 35, ____
4. What comes next? 20, 24, 28, 32, ____
5. What comes next? 1, 9, 17, 25, ____
6. What comes next? 19, 32, 45, 58, ____
7. What comes next? 8, 20, 32, 44, ____
8. What comes next? 20, 35, 50, 65, ____
9. What comes next? 5, 19, 33, 47, ____
10. What comes next? 19, 33, 47, 61, ____
11. What comes next? 4, 12, 20, 28, ____
12. What comes next? 11, 21, 31, 41, ____

12 questions · Seed 77 · 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? 6, 11, 16, 21, ____
26
Add 5 each time.
3. What comes next? 11, 19, 27, 35, ____
43
Add 8 each time.
4. What comes next? 20, 24, 28, 32, ____
36
Add 4 each time.
5. What comes next? 1, 9, 17, 25, ____
33
Add 8 each time.
6. What comes next? 19, 32, 45, 58, ____
71
Add 13 each time.
7. What comes next? 8, 20, 32, 44, ____
56
Add 12 each time.
8. What comes next? 20, 35, 50, 65, ____
80
Add 15 each time.
9. What comes next? 5, 19, 33, 47, ____
61
Add 14 each time.
10. What comes next? 19, 33, 47, 61, ____
75
Add 14 each time.
11. What comes next? 4, 12, 20, 28, ____
36
Add 8 each time.
12. What comes next? 11, 21, 31, 41, ____
51
Add 10 each time.

12 questions · Seed 77 · Age guidance, not curriculum certification