Partial Products Multiplication

Math

Demonstrate partial products multiplication method. Shows how (a×10+b)×(c×10+d) breaks into parts. Educational math technique.

Formula

(10a+b)×(10c+d) = 100ac + 10(ad+bc) + bd

23 × 15

Inputs
  • First Number: 23
  • Second Number: 15

200 + 110 + 15 = 345

Frequently asked questions

How used?
Elementary math teaching method to visualize multiplication