Level 1, Lesson 18: Multiply Three-Digit Numbers by 11

Keep the first and last digits at the ends, then slide along adding neighbouring pairs of digits for the middle.

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Q1234 × 11

Q2123 × 11

Q3342 × 11

Q4214 × 11

Q5132 × 11

Q6321 × 11

Q7253 × 11

Q8143 × 11