Khan Academy
Khan Academy: Math: 3rd Grade: Multiply by 7 (Practice)
Math 14-problem practice exercise on multiplying by 7.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Multip, Div With Units of 0, 1, 6 9, and Multiples of 10
A guide to support parents as they work with their students in multiplication and division with units of 0, 1, 6-9, and multiples of 10.
Curated OER
Egin{displaymath}x = Frac{1}{9} Leftvert#8;egin{array}{rrr}
This lesson explains how the determinant is used for Cramer's Rule.