When this reporter, ahem, asked for a friendly reminder (wink-wink) about the math concept, Sykora explained the distributive property of multiplication. “For example, if you have 12 times 3 ...

Cathy J. Kinzer, Ted Stanford, The Distributive Property: The Core of Multiplication, Teaching Children Mathematics, Vol. 20, No. 5 (December 2013/January 2014), pp ...

It uses the distributive property of multiplication (ax (b+c)= (axb)+ (axc)). You break one of the numbers into its tens and ones components, multiply each part by the other number, and then add ...

Area model for multiplication 1 x 2-digit multiplication 2 x 2-digit multiplication Identifying factors Partial products Distributive property Place value partitioning (tens and ones) ...