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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
Eureka Math/EngageNY
5th grade (Eureka Math/EngageNY)
Module 2: Multi-digit whole number and decimal fraction operations
Topic A: Mental strategies for multi-digit whole number multiplication
Multiplying by multiples of 10
Multiplying by multiples of 10
Sal decomposes multiples of ten to multiply.
License: CC BY-NC-SA by Khan Academy