Mental technique for subtraction without regrouping

In this Khan Academy video tutorial, consider an alternate algorithm for subtracting multi-digit numbers mentally. This video is best for students that are already comfortable with using regrouping to subtract using the standard algorithm.
Resource ID#: 126347 Type: Tutorial
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Direct Link: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-regrouping-3-dig/v/mental-technique-for-subtraction-without-regrouping

General Information

Subject(s): Mathematics
Grade Level(s): 3, 4
Intended Audience: Educators educators, Students , Parents
Suggested Technology: Computers for Students, Internet Connection, Speakers/Headphones
Keywords: subtraction, mental math, regrouping, khan academy
Instructional Component Type(s): Tutorial
Instructional Design Framework(s): Direct Instruction
Resource Collection: Elementary Math specific existing tutorials

Aligned Standards

This vetted resource aligns to concepts or skills in these benchmarks.

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