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Math Gym
Percentages Guide

Percentages Level 15: 2d% of 3d mastery (X tens 4-6). multiplication train then decimal shift.

1. Left Edge

1. Left Edge
Use the highlighted left edge pair.
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Use the highlighted left edge pair.

2. Left Cross

2. Left Cross
Add both highlighted pairs.
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Add both highlighted pairs. Carry waits for settle.

3. Center Stack

3. Center Stack
Add all 3 highlighted pairs.
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Add all 3 highlighted pairs. Carry waits for settle.

4. Right Cross

4. Right Cross
Add both highlighted pairs.
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Add both highlighted pairs. Carry waits for settle.

5. Right Edge

5. Right Edge
Use the highlighted right edge pair.
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Use the highlighted right edge pair. Carry waits for settle.

6. Settle strip

6. Settle strip
Settle once.
Keep ones; carry moves left.raw windows
settled strip
0 | 16 | 44 | 54 | 36 -> 20976.

7. Place decimal

7. Place decimal
20976 / 100 = 209.76.