Three Ways to Name an Angle
Learners first name angles in three ways, then classify them as acute, obtuse or right angles. Good practice when introducing the concept of different types of angles.
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From Ratio Tables to Double Number Line Diagrams
How much sugar is in one bottle? Pupils use double number line diagrams to determine the amount of sugar in a 1L bottle of cola. The teacher leads a discussion on ways that double number lines can be of assistance in solving a problem...
6th Math CCSS: Designed
Problem Set F Resolving 3-Plane Traffic Conflicts by Changing Speed Teacher Guide with Answer Sheets
Get three planes to line up safely. Individuals work through a set of problems to eliminate spacing conflicts between three airplanes in flight. The pupils use their knowledge to change the airplanes' speed or route to meet a...
5th - 9th Math CCSS: Adaptable
Measure Quarter and Three-Quarter Rotations
Measuring angles is a mysterious task. What do those degrees mean? A clock is used to show what each angle looks like on a circle as the hands move around to mark time. The lesson explains that rays are just like the hands of a clock,...
5 mins 4th - 5th Math CCSS: Designed
Find Angle Measurements Using Vertical Angles
Take on a different angle with this geometry activity, in this case, the vertical angle. Challenge learners to prove that vertical angles of two intersecting lines are congruent using the property of supplementary angles as modeled in...
3 mins 6th - 8th Math CCSS: Designed
Choose a Strategy to Solve Ratio Problems
The series of videos introduces five ways to solve ratio problems, but how do you choose which one to use? In the video, show class members that they can pick any strategy to solve their problem to see how each option gives the same...
5 mins 5th - 8th Math CCSS: Designed