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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? 10, 18, 26, 34, ____
2. What comes next? 7, 11, 15, 19, ____
3. What comes next? 4, 11, 18, 25, ____
4. What comes next? 10, 21, 32, 43, ____
5. What comes next? 20, 28, 36, 44, ____
6. What comes next? 20, 35, 50, 65, ____
7. What comes next? 11, 15, 19, 23, ____
8. What comes next? 3, 8, 13, 18, ____
9. What comes next? 9, 17, 25, 33, ____
10. What comes next? 5, 16, 27, 38, ____
11. What comes next? 3, 7, 11, 15, ____
12. What comes next? 2, 6, 10, 14, ____

12 questions · Seed 113 · 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? 10, 18, 26, 34, ____
42
Add 8 each time.
2. What comes next? 7, 11, 15, 19, ____
23
Add 4 each time.
3. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
4. What comes next? 10, 21, 32, 43, ____
54
Add 11 each time.
5. What comes next? 20, 28, 36, 44, ____
52
Add 8 each time.
6. What comes next? 20, 35, 50, 65, ____
80
Add 15 each time.
7. What comes next? 11, 15, 19, 23, ____
27
Add 4 each time.
8. What comes next? 3, 8, 13, 18, ____
23
Add 5 each time.
9. What comes next? 9, 17, 25, 33, ____
41
Add 8 each time.
10. What comes next? 5, 16, 27, 38, ____
49
Add 11 each time.
11. What comes next? 3, 7, 11, 15, ____
19
Add 4 each time.
12. What comes next? 2, 6, 10, 14, ____
18
Add 4 each time.

12 questions · Seed 113 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 10-12

Number patterns

Take your time. Show your thinking.

1. What comes next? 10, 18, 26, 34, ____
2. What comes next? 7, 11, 15, 19, ____
3. What comes next? 4, 11, 18, 25, ____
4. What comes next? 10, 21, 32, 43, ____
5. What comes next? 20, 28, 36, 44, ____
6. What comes next? 20, 35, 50, 65, ____
7. What comes next? 11, 15, 19, 23, ____
8. What comes next? 3, 8, 13, 18, ____
9. What comes next? 9, 17, 25, 33, ____
10. What comes next? 5, 16, 27, 38, ____
11. What comes next? 3, 7, 11, 15, ____
12. What comes next? 2, 6, 10, 14, ____

12 questions · Seed 113 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 10-12

Number patterns

Answers and reasoning. Review before teaching.

1. What comes next? 10, 18, 26, 34, ____
42
Add 8 each time.
2. What comes next? 7, 11, 15, 19, ____
23
Add 4 each time.
3. What comes next? 4, 11, 18, 25, ____
32
Add 7 each time.
4. What comes next? 10, 21, 32, 43, ____
54
Add 11 each time.
5. What comes next? 20, 28, 36, 44, ____
52
Add 8 each time.
6. What comes next? 20, 35, 50, 65, ____
80
Add 15 each time.
7. What comes next? 11, 15, 19, 23, ____
27
Add 4 each time.
8. What comes next? 3, 8, 13, 18, ____
23
Add 5 each time.
9. What comes next? 9, 17, 25, 33, ____
41
Add 8 each time.
10. What comes next? 5, 16, 27, 38, ____
49
Add 11 each time.
11. What comes next? 3, 7, 11, 15, ____
19
Add 4 each time.
12. What comes next? 2, 6, 10, 14, ____
18
Add 4 each time.

12 questions · Seed 113 · Age guidance, not curriculum certification