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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? 5, 20, 35, 50, ____
2. What comes next? 20, 31, 42, 53, ____
3. What comes next? 2, 8, 14, 20, ____
4. What comes next? 20, 24, 28, 32, ____
5. What comes next? 3, 9, 15, 21, ____
6. What comes next? 19, 27, 35, 43, ____
7. What comes next? 5, 14, 23, 32, ____
8. What comes next? 7, 12, 17, 22, ____
9. What comes next? 7, 21, 35, 49, ____
10. What comes next? 6, 11, 16, 21, ____
11. What comes next? 14, 25, 36, 47, ____
12. What comes next? 7, 14, 21, 28, ____

12 questions · Seed 78 · 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? 5, 20, 35, 50, ____
65
Add 15 each time.
2. What comes next? 20, 31, 42, 53, ____
64
Add 11 each time.
3. What comes next? 2, 8, 14, 20, ____
26
Add 6 each time.
4. What comes next? 20, 24, 28, 32, ____
36
Add 4 each time.
5. What comes next? 3, 9, 15, 21, ____
27
Add 6 each time.
6. What comes next? 19, 27, 35, 43, ____
51
Add 8 each time.
7. What comes next? 5, 14, 23, 32, ____
41
Add 9 each time.
8. What comes next? 7, 12, 17, 22, ____
27
Add 5 each time.
9. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
10. What comes next? 6, 11, 16, 21, ____
26
Add 5 each time.
11. What comes next? 14, 25, 36, 47, ____
58
Add 11 each time.
12. What comes next? 7, 14, 21, 28, ____
35
Add 7 each time.

12 questions · Seed 78 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 5, 20, 35, 50, ____
2. What comes next? 20, 31, 42, 53, ____
3. What comes next? 2, 8, 14, 20, ____
4. What comes next? 20, 24, 28, 32, ____
5. What comes next? 3, 9, 15, 21, ____
6. What comes next? 19, 27, 35, 43, ____
7. What comes next? 5, 14, 23, 32, ____
8. What comes next? 7, 12, 17, 22, ____
9. What comes next? 7, 21, 35, 49, ____
10. What comes next? 6, 11, 16, 21, ____
11. What comes next? 14, 25, 36, 47, ____
12. What comes next? 7, 14, 21, 28, ____

12 questions · Seed 78 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 5, 20, 35, 50, ____
65
Add 15 each time.
2. What comes next? 20, 31, 42, 53, ____
64
Add 11 each time.
3. What comes next? 2, 8, 14, 20, ____
26
Add 6 each time.
4. What comes next? 20, 24, 28, 32, ____
36
Add 4 each time.
5. What comes next? 3, 9, 15, 21, ____
27
Add 6 each time.
6. What comes next? 19, 27, 35, 43, ____
51
Add 8 each time.
7. What comes next? 5, 14, 23, 32, ____
41
Add 9 each time.
8. What comes next? 7, 12, 17, 22, ____
27
Add 5 each time.
9. What comes next? 7, 21, 35, 49, ____
63
Add 14 each time.
10. What comes next? 6, 11, 16, 21, ____
26
Add 5 each time.
11. What comes next? 14, 25, 36, 47, ____
58
Add 11 each time.
12. What comes next? 7, 14, 21, 28, ____
35
Add 7 each time.

12 questions · Seed 78 · Age guidance, not curriculum certification