Primary Resources
Grid Multiplication
Ever have a completely confused fourth grader ask about multiplying a 3-digit by a 2-digit number? This slide show could really help clear things up. The grid or box method is fully demonstrated and explained in this straight forward...
Curated OER
Multiplying
What is the product? Scholars solve 30 multiplication practice equations where one factor has two digits and the other has one digit. All are aligned vertically, and several require regrouping. There are three examples to remind scholars...
Curated OER
Multiplication Grids: Double-Digit
Kids learn how to use the grid method to solve double by single-digit multiplication problems. They take each double-digit number into its tens and units, place it on the grid, add the multiplier, then solve the problem. There are two...