http://momstotschool.blogspot.com/2014/05/butterflies.html
https://littlemindsatwork.org/all-about-numbers-freebie-too/
https://www.printablee.com/post_printable-ten-frames_38318/
https://thestemlaboratory.com/ten-frames-rainbow-match/
https://www.printablee.com/post_ten-frame-template-printable_317226/
http://materptitelouts.blog4ever.com/articles/maths
https://www.teacherspayteachers.com/Browse/PreK-12-Subject-Area/Math/Grade-Level/PreK-K
http://www.makinglearningfun.com/themepages/AppleTreeNumberMatch.htm