4.MD.C
Geometric measurement: understand concepts of angle and measure angles.
Standards
4.MD.C.5
Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint,...
4.MD.C.6
Measure angles in whole-number degrees using a protractor. Sketch angles of specified measure.
4.MD.C.7
Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the...