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Squares

Level 5 / foundation

Duplex 3-digit (mastery, U >= 4)

2 visual steps / Duplex column read

1. Read Duplex

D(864)1. Read DuplexRead the needed Duplex column.12 x 8 x 4 = 6426^2 = 363D(864) = 100
Read the needed Duplex column.

Read the needed Duplex column.

2. Raw column

D(864)2. Raw columnKeep the raw column value visible.12 x 8 x 4 = 6426^2 = 363D(864) = 100
Keep the raw column value visible.

Keep the raw column value visible.

Practice Level 5

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

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