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Subtraction "Across the Zeros" 4th Grade Math Lightboard

901 Math 565,298 8 years ago
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4.NBT.B.4 Subtraction with regrouping. Always borrow before regrouping. When going across a zero, change it to a 9. When stopping at a zero, it becomes a 10. Video Helpful? Please support the channel here: https://paypal.me/901Math Thank you for your support!

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