Percent of Change
Seventh graders investigate the concept of finding percentage by monitoring the increase of a quantity. The lesson is hard to follow because of the structure. The story for the example is quite useful though.
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Increasing and Decreasing Quantities by a Percent
As part of a study of percent and percent change, learners first complete an assessment task with several percent change problems. They then complete an activity using cards to create a diagram expressing percent increases and decreases...
7th Math CCSS: Designed
Resolving 2-Plane Traffic Conflicts by Changing Speed—Problem Set E
What do you do to change arrival times of airplanes when a different route is not available? The fifth interactive in a series of six presents problems where pupils must find solutions to conflicts of safety rules. They must decide how...
5th - 9th Math CCSS: Adaptable
Calculate Percent Increase and Decrease in Context
The main confusion with percent change is with setting up the problem. Show your learners how to use proportions to solve for the percent change and how to organize the information correctly. The lesson uses the scale factor method to...
5 mins 6th - 8th Math CCSS: Designed
How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?
Another word problem to figure out. Well, first off you are trying to figure out the percent of something and this means your formula will be a proportional equivalent. Once you have the known terms in the correct places you can figure...
7 seconds 6th - 8th Math