In this KS2 geometry teaching resource, pupils develop their understanding of acute and obtuse angles and use a protractor to measure angles (acute and obtuse) for the first time. This lesson covers ...

Looking for a fun interactive teaching idea for angle measurement? Well look no further as Measuring Angles using a Protractor Task Cards, for CCSS 4.MD.6, will serve as an exciting lesson plan for ...

Which digital protractor is the best? Protractors, both manual and digital, are used to measure various angles. You might find yourself needing one for a DIY home project or if you’re building ...

A theoretical astrophysicist uses his protractor to measure the universe. From a sheet of paper to the cosmos. Lots of pictures! This post is from Observer Short List—an email of three favorite things ...