Curated OER
Rabbits
Learners review what they think doubling means and double numbers mentally, for example, 5, 12, 16. They share their solutions and discuss how they doubled. They work together on a problem that is beyond mental working and solve...
Curated OER
Pocket Money
Students discover that the mathematics behind this question is a comparison of the rate at which adding a fixed number increases the total compared to continual doubling of a number. In fact no matter what whole numbers you start with,...
Curated OER
M&M: Multiplication Madness
Students analyze the multiplication facts from zero to ten in the ten lessons of this unit. The concepts of mental multiplication and solving word problems are important components of this unit.