Addition Algorithms
Traditional Addition (with 3-digits)
Partial Sums Addition (with 2-digits)
Partial Sums Addition (with 3-digits)
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Subtraction Algorithms
Traditional Subtraction (with 2-digits)
Traditional Subtraction (with 3-digits)
Trade First Subtraction (with 3-digits)
Counting Up Subtraction (with 3-digits)
Partial Differences Subtraction (with 3-digits)
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Mixed Number Addition (with unlike denominators)
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Traditional Subtraction with decimals ($)
Traditional Subtraction (into the thousandths place)
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Multiplication Algorithms
Lattice Multiplication with Decimals
Mixed Number Multiplication (J-Method)
Fraction Multiplication with Area
Fraction Multiplication
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Division Algorithms
Partial Quotient Division
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