4.MATH.7.B
Illustrate degrees as the units used to measure an angle, where 1/360 of any circle is one degree and an angle that "cuts" n/360 out of any circle whose center is at the angle's vertex has a measure of n degrees. Angle measures are limited to whole numbers.
Grade 4 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
degreesunitsanglecirclecentervertexmeasuren degrees
Skills
- illustrate (degrees as units used to measure an angle) #dok2
- explain (how 1/360 of a circle is one degree) #dok2
- relate (fraction of a circle cut out to angle measure in degrees) #dok2
Learning Targets
- I can define a degree as 1/360 of a circle. #dok1
- I can illustrate how an angle measures the amount of a circle cut out by its rays. #dok2
- I can explain that an angle that cuts n/360 out of any circle has a measure of n degrees. #dok2
- I can relate parts of a circle to their corresponding angle measures in degrees. #dok2
Big Ideas
- Angles can be measured by relating them to fractions of a circle.
- A degree is a unit of measurement that represents 1/360 of a complete circle.
Essential Questions
- What does it mean to say that an angle measures 'n degrees'?
- How is an angle's measure connected to the amount of a circle it 'cuts out'?
- Why do we use 360 degrees to measure a full circle?
- How can you illustrate the measurement of angles in degrees using a circle?
- How can you use parts of a circle to explain angle measurement?