Here are some free points for you students that just want points
Source: https://www.google.com/search?site=imghp&tbm=isch&source=hp&biw=1345&bih=835&q=free+points+math&oq=free+points+math&gs_l=img.3...1343.5693.0.5965.16.7.0.9.0.0.66.416.7.7.0....0...1ac.1.36.img..10.6.365.6ADXK_CRTOQ#facrc=_&imgdii=_&imgrc=49vz2yQgB8Qy5M%253A%3BID-td9iWC1lfhM%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252Fthumb%252F5%252F5a%252FCardioidCircleEnvelope.svg%252F400px-CardioidCircleEnvelope.svg.png%3Bhttp%253A%252F%252Fmath.ucr.edu%252Fhome%252Fbaez%252Frolling%252Frolling_1.html%3B400%3B455
Source: http://www.youtube.com/watch?v=TbNymweHW4E