Time and Again
Students examine historical time and make time lines. They study the two main divisions of time; the time before and after the birth of Christ. They also note that time lines are a way of illustrating the length of historical time.
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New Review 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
What is the Formula Connecting Distance, Speed, and Time?
The formula for uniform motion, meaning something is moving at a constant speed, is d=rt. This involves distance, rate, and time. If the word problem gives two of any of these values, the third unknown value can be found.
2 mins 6th - 9th Math