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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? 4, 19, 34, 49, ____
2. What comes next? 3, 15, 27, 39, ____
3. What comes next? 8, 23, 38, 53, ____
4. What comes next? 6, 21, 36, 51, ____
5. What comes next? 5, 20, 35, 50, ____
6. What comes next? 5, 11, 17, 23, ____
7. What comes next? 11, 22, 33, 44, ____
8. What comes next? 20, 30, 40, 50, ____
9. What comes next? 4, 14, 24, 34, ____
10. What comes next? 11, 15, 19, 23, ____
11. What comes next? 4, 11, 18, 25, ____
12. What comes next? 3, 11, 19, 27, ____

12 questions · Seed 68 · 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? 4, 19, 34, 49, ____
64
Add 15 each time.
2. What comes next? 3, 15, 27, 39, ____
51
Add 12 each time.
3. What comes next? 8, 23, 38, 53, ____
68
Add 15 each time.
4. What comes next? 6, 21, 36, 51, ____
66
Add 15 each time.
5. What comes next? 5, 20, 35, 50, ____
65
Add 15 each time.
6. What comes next? 5, 11, 17, 23, ____
29
Add 6 each time.
7. What comes next? 11, 22, 33, 44, ____
55
Add 11 each time.
8. What comes next? 20, 30, 40, 50, ____
60
Add 10 each time.
9. What comes next? 4, 14, 24, 34, ____
44
Add 10 each time.
10. What comes next? 11, 15, 19, 23, ____
27
Add 4 each time.
11. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
12. What comes next? 3, 11, 19, 27, ____
35
Add 8 each time.

12 questions · Seed 68 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 4, 19, 34, 49, ____
2. What comes next? 3, 15, 27, 39, ____
3. What comes next? 8, 23, 38, 53, ____
4. What comes next? 6, 21, 36, 51, ____
5. What comes next? 5, 20, 35, 50, ____
6. What comes next? 5, 11, 17, 23, ____
7. What comes next? 11, 22, 33, 44, ____
8. What comes next? 20, 30, 40, 50, ____
9. What comes next? 4, 14, 24, 34, ____
10. What comes next? 11, 15, 19, 23, ____
11. What comes next? 4, 11, 18, 25, ____
12. What comes next? 3, 11, 19, 27, ____

12 questions · Seed 68 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 4, 19, 34, 49, ____
64
Add 15 each time.
2. What comes next? 3, 15, 27, 39, ____
51
Add 12 each time.
3. What comes next? 8, 23, 38, 53, ____
68
Add 15 each time.
4. What comes next? 6, 21, 36, 51, ____
66
Add 15 each time.
5. What comes next? 5, 20, 35, 50, ____
65
Add 15 each time.
6. What comes next? 5, 11, 17, 23, ____
29
Add 6 each time.
7. What comes next? 11, 22, 33, 44, ____
55
Add 11 each time.
8. What comes next? 20, 30, 40, 50, ____
60
Add 10 each time.
9. What comes next? 4, 14, 24, 34, ____
44
Add 10 each time.
10. What comes next? 11, 15, 19, 23, ____
27
Add 4 each time.
11. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
12. What comes next? 3, 11, 19, 27, ____
35
Add 8 each time.

12 questions · Seed 68 · Age guidance, not curriculum certification