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Texas Essential Knowledge and Skills (TEKS)

Angles

Grade: 4th Grade
Standard:

4.7.A*

Description:

illustrate the measure of an angle as the part of a circle whose center is at the vertex of the angle that is "cut out" by the rays of the angle. Angle measures are limited to whole numbers;

Standard:

4.7.B*

Description:

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;

Standard:

4.7.C

Description:

determine the approximate measures of angles in degrees to the nearest whole number using a protractor;

Standard:

4.7.E

Description:

determine the measure of an unknown angle formed by two non-overlapping adjacent angles given one or both angle measures.

4th Grade Math - Angles Lesson
 
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