4.GM.B.4
Identify and estimate angles and their measure.
Khan Academy ResourcesMeasuring angles reviewConstructing angles reviewAngle basics reviewAngles in circles word problemsAngle types reviewMeasure anglesAngle typesBenchmark anglesDecompose anglesRecognize angles in figuresTypes of angles by measureEstimate angle measuresDraw anglesAngles in circlesName anglesIdentify parallel and perpendicular linesMeasuring angles using a protractor 2Measuring angles in degreesMeasuring angles using a protractorAngles: introductionAcute, right, & obtuse anglesAngle measurement & circle arcsRecognizing anglesNaming anglesAngles in circles word problem Drawing acute, right and obtuse anglesConstructing anglesMeasuring angles with a circular protractorIdentifying an angleDecomposing angles

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