Creativity : Number Exercises II

These number exercises will help improve your concentration and mental endurance.

1. Recite all the numbers between 1 and 100 that contain the digit 7. (7, 17, 27…)

2. Count down from 200 by 4s. (200, 196, 192…)

3. Recite the numbers counting up by 4s and by 5s (4-5, 8-10, 12-15…)

4. Start with 2 and start doubling it in your head. See how far you can get. (2, 4, 8, 16, 32…)

Feel free to modify these exercises and practice them to increase your ability.

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