Ch 1
Videos corresponding to these sections in McKeague's Prealgebra book:
1.1 Place Value & Name for Num
1.2 Addition with Whole Num;Perimeter
1.3 Rounding Num,Estimating Answers, Displaying Info
1.4 Subtraction with Whole Num
1.5 Multiplication with Whole Num
1.6 Division with Whole Num
1.7 Exponents, Order of Operations & Averages
1.8 Area & Volume