โ TradeCalc
๐ The Factors Chart
A multiplication chart read backwards is a factors chart.
Find a number in the body โ its row and column are a factor pair. That's the whole trick.
The Chart
Find Factors
Simplify a Fraction
Factors 1โ100
Every place it appears on the chart lights up โ each one is a factor pair.
The chart finds the number that divides top AND bottom.
Tap any square โ see the fact and the factor pair.
perfect squares (the diagonal)
highlighted factor pair
prime โ only 1 ร itself
perfect square