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Khan Academy
Khan Academy: Multi Digit Subtraction: 389,002 76,151
Subtract 389,002-76,151 using the standard algorithm.
PBS
Pbs: Odd Squad: To Catch a Double
Learn about doubling numbers with the Odd Squad. While babysitting the doubled Debbies, Otto discovers something that might help Olive crack the case and find the missing double.
PBS
Pbs: Odd Squad: How to Feed the Hamster
Oscar needs to calculate the value of an unknown number in a subtraction formula in order to feed the Odd Squad hamster.
Khan Academy
Khan Academy: Subtracting Fractions With Like Denominators
Sal Khan subtracts fractions with like denominators.
Khan Academy
Khan Academy: Add and Subtract: Pieces of Fruit
Demonstrates how to add and subtract pieces of fruit using the numbers 5 and 3. [2:17]