1. Determine the most probable next term in the sequence.
2. 4, 8, 12, 16, 20 ____
3. 1, 2, 4, 8, _____
4. a, b, c, d _____
5. 1, 4, 9, 16, 25 ____
6. 1, 3, 9, 27 _____
7. 1, 2, 11, 2, 111, 2, 1111, 2 ____
8. 1, 4, 3, 6, 5, 8 ____
9. 0, 1, 1, 2, 3, 5, 8, 13 ____
10. 2, -4, 6, -8, 10 ____
11. 2, 4, 3, 6, 5, 10, 9, 18, 17____
12. Predict the next equation in the list .

1 = 1²

1 + 3 = 2²

1 + 3 + 5 = 3²

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