04:04duration 4 minutes 4 seconds
Writing a multi-step expression for a real-world…
Writing a multi-step expression for a real-world situation
This demo takes some thought so you may want to watch it a few times to fully understand. Writing the expression and then we simplify it so that it is more usable in future.
01:30duration 1 minute 30 seconds
Finding a percentage of a total amount without a…
Finding a percentage of a total amount without a calculator: Sales tax, commission, discount
Just finding the amount of increase or decrease in these types of percent problems.
01:44duration 1 minute 44 seconds
Equivalent Fractions
Shows how to find a numerator for a larger denominator when given a simpler fraction that is set eqaul to the one with the unknown numerator.