Last update: February 4, 2016
Mme Larch's Grade 3 EFI Class
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Subtracting with a Model of Hundreds, Tens, and Ones
Subtracting with a Number Line
Adding with a Number Line
Adding with a Model of Hundreds, Tens, and Ones
The Importance of Verifying a Solution: Check Reasonableness
Adding Hundreds, Tens, and then Ones
Rounding Numbers to the Nearest Hundred
Counting Money - Bills and Coins