Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+another +addition' IN Boolean MODE) order by users desc
HN Special - An addition to Hacker News
This extension refreshes the visual style of Hacker News and adds a few features, like infinite scrolling. Everything is toggleable.
Timed Test: Addition/Subtraction Facts to 10
Practice over 100 addition and subtraction problems. Children master math facts and build computation speed. Grades K+, Ages 5+
Timed Test: Addition Facts 11-18
Vertical and horizontal versions of each equation provide optimal practice. Grades 1+, Ages 6+
