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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? 20, 30, 40, 50, ____
2. What comes next? 4, 9, 14, 19, ____
3. What comes next? 13, 26, 39, 52, ____
4. What comes next? 19, 27, 35, 43, ____
5. What comes next? 6, 10, 14, 18, ____
6. What comes next? 4, 12, 20, 28, ____
7. What comes next? 17, 30, 43, 56, ____
8. What comes next? 16, 28, 40, 52, ____
9. What comes next? 17, 28, 39, 50, ____
10. What comes next? 14, 28, 42, 56, ____
11. What comes next? 10, 23, 36, 49, ____
12. What comes next? 8, 14, 20, 26, ____

12 questions · Seed 111 · 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? 20, 30, 40, 50, ____
60
Add 10 each time.
2. What comes next? 4, 9, 14, 19, ____
24
Add 5 each time.
3. What comes next? 13, 26, 39, 52, ____
65
Add 13 each time.
4. What comes next? 19, 27, 35, 43, ____
51
Add 8 each time.
5. What comes next? 6, 10, 14, 18, ____
22
Add 4 each time.
6. What comes next? 4, 12, 20, 28, ____
36
Add 8 each time.
7. What comes next? 17, 30, 43, 56, ____
69
Add 13 each time.
8. What comes next? 16, 28, 40, 52, ____
64
Add 12 each time.
9. What comes next? 17, 28, 39, 50, ____
61
Add 11 each time.
10. What comes next? 14, 28, 42, 56, ____
70
Add 14 each time.
11. What comes next? 10, 23, 36, 49, ____
62
Add 13 each time.
12. What comes next? 8, 14, 20, 26, ____
32
Add 6 each time.

12 questions · Seed 111 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 20, 30, 40, 50, ____
2. What comes next? 4, 9, 14, 19, ____
3. What comes next? 13, 26, 39, 52, ____
4. What comes next? 19, 27, 35, 43, ____
5. What comes next? 6, 10, 14, 18, ____
6. What comes next? 4, 12, 20, 28, ____
7. What comes next? 17, 30, 43, 56, ____
8. What comes next? 16, 28, 40, 52, ____
9. What comes next? 17, 28, 39, 50, ____
10. What comes next? 14, 28, 42, 56, ____
11. What comes next? 10, 23, 36, 49, ____
12. What comes next? 8, 14, 20, 26, ____

12 questions · Seed 111 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 20, 30, 40, 50, ____
60
Add 10 each time.
2. What comes next? 4, 9, 14, 19, ____
24
Add 5 each time.
3. What comes next? 13, 26, 39, 52, ____
65
Add 13 each time.
4. What comes next? 19, 27, 35, 43, ____
51
Add 8 each time.
5. What comes next? 6, 10, 14, 18, ____
22
Add 4 each time.
6. What comes next? 4, 12, 20, 28, ____
36
Add 8 each time.
7. What comes next? 17, 30, 43, 56, ____
69
Add 13 each time.
8. What comes next? 16, 28, 40, 52, ____
64
Add 12 each time.
9. What comes next? 17, 28, 39, 50, ____
61
Add 11 each time.
10. What comes next? 14, 28, 42, 56, ____
70
Add 14 each time.
11. What comes next? 10, 23, 36, 49, ____
62
Add 13 each time.
12. What comes next? 8, 14, 20, 26, ____
32
Add 6 each time.

12 questions · Seed 111 · Age guidance, not curriculum certification