Level 1, Lesson 9: Multiply by 4 (Double it Twice)

Clip 1 of 2: Hook / Intro

Double the number, then double it again.

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Q13 × 4

Q25 × 4

Q36 × 4

Q47 × 4

Q59 × 4

Q611 × 4

Q712 × 4

Q88 × 4