Everyday Mathematics
Algorithms

 Examples

Demonstrations using 
Windows Media Player or PowerPoint

Partial Sums Method 
for Addition

Watch Demo 1 (PowerPoint)

Watch Demo 2 (Media Player)
Watch Demo 2, part 2 (Media Player)

Trade First Method
for Subtraction

Watch Demo 1 (PowerPoint)

Watch Demo 2 (Media Player)
Watch Demo 2, part 2 (Media Player)

Lattice Method
for Multiplication

Watch Demo (PowerPoint)

Watch Demo 2 (Media Player)

Partial Products Method
for Multiplication

Watch Demo (PowerPoint)

Watch Demo 2 (Media Player)

Watch demo 3 (Media Player)

Partial Quotients Method
for Division

Watch Demo 1 (PowerPoint)

Watch Demo 2 (Media Player)

Column Division

Watch Demo (Media Player)