Rounding whole numbers: missing digit

Rounding whole numbers: missing digit

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Lindsay finds the missing digit in an estimation problem by using a number line. 

ARIADNE Info
Source url:
https://cdn.kastatic.org/KA-youtube-converted/Hixy7TX-Nwo.mp4/Hixy7TX-Nwo.mp4
ARIADNE ID:
up2u_KHAN_ACADEMY_xaa79450a
ARIADNE provider:
KHAN_ACADEMY
ARIADNE repository:
K12
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Creative Commons Attribution/Non-Commercial/Share-Alike


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