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Mr. Math Blog 3.7 (5:17)
Go Math 3.7 by Anthony Waara (12:36)
Estimating Decimals (3:57)
Estimating Differences with Mr. J (4:19)
Estimating Adding Decimals (Khan Academy)
Subtracting Decimals by ESTIMATING (Khan Academy)
Adding and Subtracting Decimals (Wordwall)
