01:06
Square Roots: Summary: Square Roots
This clip summarizes square roots. It revisits the meaning of square roots and squares, then reminds us of the usefulness of square root tables. The clip also mentions that decimal square roots are neither terminating nor repeating decimals, and tha...
04:51
Percent in Word Problems: Practical Problems Involving Percent and Proportion
This clip establishes that percent means comparing something to 100, then presents a number of practical problems about percentage that are solved by setting up proportions and cross-multiplying.
05:54
Multiplying Decimals: Rules for Multiplying Decimals
This clip explains the basic rules for multiplying decimals, stating that the first step is to multiply the numbers as if they were whole numbers, and then count up the number of digits to the right of the decimal point in both factors to determine ...