“I use Byrdseed TV to differentiate for my clustered students. I LOVE all the ideas!” ~ a teacher in Washington

Alabama Math Standard: 4.NBT.B.11.a

Illustrate and explain the product of two factors using equations, rectangular arrays, and area models.

Broken Calculator: Multiplication Cross Product

Broken Calculator: Multiplication Cross Product

This calculator multiplies almost correctly. Students will find the one step it skips.