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Percentages

Level 15 / mastery

2d% of 3d mastery (X tens 4-6)

6 visual steps / multiplication train then decimal shift

1. Left Edge

1. Left Edge
raw windows
Highlight the left edge pair and drop its raw digit.

Highlight the left edge pair and drop its raw digit.

2. Window 2

2. Window 2
raw windows
Slide one digit right and add the contributing pairs.

Slide one digit right and add the contributing pairs.

3. Center Window

3. Center Window
raw windows
Use the full middle window; keep the running raw digit visible.

Use the full middle window; keep the running raw digit visible.

4. Right Edge

4. Right Edge
raw windows
Finish with the right edge pair.

Finish with the right edge pair.

5. Settle strip

5. Settle strip
Settle onceRaw windows keep ones; extra carry moves left.raw windows
settled strip
16 | 44 | 54 | 36 -> 20976.

16 | 44 | 54 | 36 -> 20976.

6. Place decimal

6. Place decimal
Product first
decimal two places left
Move the decimal two places left: 20976 / 100 = 209.76.

Move the decimal two places left: 20976 / 100 = 209.76.

Practice Level 15

Use the visible move, then type only when the answer is clear.

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