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Brian McLogan
How to use the subtraction of two angles
👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Graphing the Sine Graph
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Curated OER
Measuring an Irregular Distance
The math pirate needs to measure a distance on his treasure map. He realizes that he's not measuring a straight line, but an irregular distance. This short clip is well done, it uses a real-life math application, concrete mathematical...
Curated OER
Math Word Problem Practice
In this word problem learning exercise, students complete a total of 5 simple problems that include all four operations. A reference web site is included for additional activities.
Curated OER
Units Of Time
In this units of time worksheet, students cut out ten strips of time and then match up the strips of time to their actual times.