{"id":1423,"date":"2009-07-15T13:56:44","date_gmt":"2009-07-15T18:56:44","guid":{"rendered":"http:\/\/blog.richmond.edu\/openwidelookinside\/archives\/1423"},"modified":"2009-07-15T13:56:44","modified_gmt":"2009-07-15T18:56:44","slug":"second-grade-addition-and-subtraction","status":"publish","type":"post","link":"https:\/\/blog.richmond.edu\/openwidelookinside\/2009\/07\/15\/second-grade-addition-and-subtraction\/","title":{"rendered":"Second Grade Addition and Subtraction"},"content":{"rendered":"<p> <!--[if !mso]&amp;gt;  v\\:* {behavior:url(#default#VML);} o\\:* {behavior:url(#default#VML);} w\\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}  --><!--[if gte mso 9]&amp;gt;     Normal   0         false   false   false                             MicrosoftInternetExplorer4   --><!--[if gte mso 9]&amp;gt;     --> <!--  \/* Font Definitions *\/  @font-face \t{font-family:\"Century Gothic\"; \tpanose-1:2 11 5 2 2 2 2 2 2 4; \tmso-font-charset:0; \tmso-generic-font-family:swiss; \tmso-font-pitch:variable; \tmso-font-signature:647 0 0 0 159 0;}  \/* Style Definitions *\/  p.MsoNormal, li.MsoNormal, div.MsoNormal \t{mso-style-parent:\"\"; \tmargin:0in; \tmargin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:12.0pt; \tfont-family:\"Century Gothic\"; \tmso-fareast-font-family:\"Times New Roman\"; \tmso-bidi-font-family:\"Times New Roman\";} @page Section1 \t{size:8.5in 11.0in; \tmargin:1.0in 1.0in 1.0in 1.0in; \tmso-header-margin:.5in; \tmso-footer-margin:.5in; \tmso-paper-source:0;} div.Section1 \t{page:Section1;} --> <!--[if gte mso 10]&amp;gt;   \/* Style Definitions *\/  table.MsoNormalTable \t{mso-style-name:\"Table Normal\"; \tmso-tstyle-rowband-size:0; \tmso-tstyle-colband-size:0; \tmso-style-noshow:yes; \tmso-style-parent:\"\"; \tmso-padding-alt:0in 5.4pt 0in 5.4pt; \tmso-para-margin:0in; \tmso-para-margin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:10.0pt; \tfont-family:\"Times New Roman\"; \tmso-ansi-language:#0400; \tmso-fareast-language:#0400; \tmso-bidi-language:#0400;}  --><\/p>\n<p>Want to jazz up your 2<sup>nd<\/sup> grade math class?\u00a0 Here are suggestions for addition and subtraction books, kid&#039;s websites and additional resources.\u00a0 This blog covers addition and subtraction fact families to 20, finding sums, differences, solving one and two step problems and showing their inverse relationship.<\/p>\n<p><strong>Amazing Math Books!<\/strong><\/p>\n<p><!--[if gte vml 1]&amp;gt;                                                  --><!--[if !vml]--><a href=\"https:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/grapes-of-math.jpg\" title=\"grapes-of-math.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/grapes-of-math.jpg\" alt=\"grapes-of-math.jpg\" \/><\/a><!--[endif]--><\/p>\n<p><a href=\"http:\/\/www.amazon.com\/Grapes-Math-bkshelf-Scholastic-Bookshelf\/dp\/0439598400\/ref=sr_1_1?ie=UTF8&amp;s=books&amp;qid=1247511226&amp;sr=1-1\"><strong>The Grapes of Math<\/strong><\/a> by Greg Tang, illustrated by Harry Briggs<\/p>\n<p>With clever riddles, your students will become clever math whizzes.\u00a0 Illustrated riddles introduce strategies for solving a variety of addition and subtraction problems in using visual clues.\u00a0 The answers to the riddles are in the back of the book.<!--[if gte vml 1]&amp;gt;   --><!--[if !vml]--><!--[endif]--><\/p>\n<p><a href=\"https:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/gw.jpg\" title=\"gw.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/gw.jpg\" alt=\"gw.jpg\" \/><\/a><a href=\"http:\/\/www.amazon.com\/George-Washingtons-Teeth-Deborah-Chandra\/dp\/0374325340\"><\/a><\/p>\n<p><a href=\"http:\/\/www.amazon.com\/George-Washingtons-Teeth-Deborah-Chandra\/dp\/0374325340\"><strong>George Washington&#8217;s Teeth<\/strong><\/a> by Deborah Chandra and Madeleine Comora, illustrated by Brock Cole<\/p>\n<p>A rollicking rhyme portrays George Washington&#8217;s lifelong struggle with bad teeth. A timeline taken from diary entries and other nonfiction sources follows.\u00a0 Students can work on subtraction while learning about hygiene and history.<!--[if gte vml 1]&amp;gt;   --><!--[if !vml]--><!--[endif]--><\/p>\n<p><a href=\"https:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/shark.jpg\" title=\"shark.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/shark.jpg\" alt=\"shark.jpg\" \/><\/a><a href=\"http:\/\/www.amazon.com\/Shark-Swimathon-MathStart-Stuart-Murphy\/dp\/006446735X\"><\/a><\/p>\n<p><a href=\"http:\/\/www.amazon.com\/Shark-Swimathon-MathStart-Stuart-Murphy\/dp\/006446735X\"><strong>Shark Swimathon<\/strong><\/a> by Stuart J. Murphy, illustrated by Lynne Cravath<\/p>\n<p>Swimming subtraction is just a part of the fun when these sharks need to swim 75 laps by the end of the week to make it to the state swim camp.\u00a0 Besides straight subtraction problems, they need to work together to meet their goal.<!--[if gte vml 1]&amp;gt;   --><!--[if !vml]--><!--[endif]--><\/p>\n<p><a href=\"https:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/math-fables-too.jpg\" title=\"math-fables-too.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/math-fables-too.jpg\" alt=\"math-fables-too.jpg\" \/><\/a><a href=\"http:\/\/www.amazon.com\/Math-Fables-Too-Greg-Tang\/dp\/0439783518\/ref=sr_1_2?ie=UTF8&amp;s=books&amp;qid=1247511332&amp;sr=1-2\"><\/a><\/p>\n<p><a href=\"http:\/\/www.amazon.com\/Math-Fables-Too-Greg-Tang\/dp\/0439783518\/ref=sr_1_2?ie=UTF8&amp;s=books&amp;qid=1247511332&amp;sr=1-2\"><strong>Math Fables Too<\/strong><\/a> by Greg Tang, illustrated by Taia Morley<\/p>\n<p>While learning about animals and their habits, work on math fact families up to 10.\u00a0 Greg Tang describes the animals&#039; activities while showing addition facts.\u00a0 He includes descriptions of sea horses, koalas, dolphins, chimpanzees and more!<!--[if gte vml 1]&amp;gt;   --><!--[if !vml]--><\/p>\n<p><a href=\"https:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/hippossssss.jpg\" title=\"hippossssss.jpg\"><img decoding=\"async\" src=\"http:\/\/blog.richmond.edu\/openwidelookinside\/files\/2009\/07\/hippossssss.jpg\" alt=\"hippossssss.jpg\" \/><\/a><a href=\"http:\/\/www.amazon.com\/Hippos-Go-Berserk-Sandra-Boynton\/dp\/0689834349\"><\/a><\/p>\n<p><a href=\"http:\/\/www.amazon.com\/Hippos-Go-Berserk-Sandra-Boynton\/dp\/0689834349\"><strong>Hippos Go Berserk!<\/strong><\/a> by Sandra Boynton<\/p>\n<p>A hilarious portrayal of what happens when hippos get together for a party.\u00a0 It is a good presentation of addition and subtraction relationships.<\/p>\n<p><strong>Exciting websites for kids!<\/strong><\/p>\n<p><a href=\"http:\/\/illuminations.nctm.org\/ActivityDetail.aspx?ID=75\">Ten Frame:<\/a><\/p>\n<p>Students play a game with a ten frame and chips where they can choose to play &quot;How many?&quot; &quot;Build,&quot; &quot;Fill,&quot; &quot;Add,&quot; and &quot;Play All.&quot;\u00a0 These games work on sums, differences, and recognizing numbers.<\/p>\n<p><a href=\"http:\/\/pbskids.org\/readingrainbow\/games\/hidden_picture.html\"><u>Math Curse<\/u> Hidden Picture Game:<\/a><\/p>\n<p>Everyone loves the book, <u>Math Curse<\/u>.\u00a0 Students practice their addition and subtraction skills while trying to correctly answer the questions to reveal the hidden picture.<\/p>\n<p><a href=\"http:\/\/www.prongo.com\/mathtwo\/game.html\">Two Player Math Adding:<\/a><\/p>\n<p>Students play against each other while adding single and double digit sums.\u00a0 A crazy looking mathematician narrates and scores are kept.<\/p>\n<p><a href=\"http:\/\/www.oswego.org\/ocsd-web\/games\/ghostblasters2\/gb2nores.html\">Ghost Blasters:<\/a><\/p>\n<p>Students try to blast away ghosts while practicing sums up to 50.\u00a0 You can change the sum which with they try to blast the ghost.\u00a0 Great sound effects and animation.<\/p>\n<p><a href=\"http:\/\/teams.lacoe.edu\/documentation\/classrooms\/linda\/algebra\/activities\/balance\/balance.html\">Can you balance?<\/a><\/p>\n<p>Virtual Unifix cubes sit on scale waiting to be balanced.\u00a0 Students pick from the possible answers to add the correct amount to the unbalanced tray.\u00a0 They can work on seeing what addend pairs equal the same sums.<\/p>\n<p><strong>Additional Teacher Resources:<\/strong><\/p>\n<p><a href=\"http:\/\/www.mathwire.com\/games\/addsubgames.html\">Face Off!<\/a><\/p>\n<p>Great addition practice for students to play together using manupulatives.\u00a0 Downloadable directions and material templates included. Good game for a math center or to use during a lesson.<\/p>\n<p><a href=\"http:\/\/nlvm.usu.edu\/en\/nav\/category_g_1_t_1.html\">Need virtual manipulatives for your class room computers?<\/a><\/p>\n<p>Download the Base Blocks, Base Block Addition, Base Block Subtraction, Diffy, and Number Line Arithmetic.\u00a0 They are interactive and presented clearly.<\/p>\n<p><a href=\"http:\/\/www.mathwire.com\/literature\/litnumbsense.html\">More literature and lesson plan ideas!<\/a><\/p>\n<p>Look at the suggestions for the books <u>Ten Apples up on Top<\/u> by Theo LeSieg and<strong><em> <\/em><\/strong><u>Ten Black Dots<\/u> by Donald Crews.\u00a0 Work on Ten Frames and Part-Part-Total. It&#8217;s practice for forming numbers and math sentences.<\/p>\n<p><a href=\"http:\/\/www.edhelper.com\/runaway_math_puzzle_grade2.htm\">Runaway Math Puzzle!<\/a><\/p>\n<p>Use this template to make your own cool math puzzle. It is set up like a crossword puzzle, but with addition or subtraction sentences.\u00a0 The templates are midway down the page.<\/p>\n<p><!--[if !mso]&amp;gt;  v\\:* {behavior:url(#default#VML);} o\\:* {behavior:url(#default#VML);} w\\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}  --><!--[if gte mso 9]&amp;gt;     Normal   0         false   false   false                             MicrosoftInternetExplorer4   --><!--[if gte mso 9]&amp;gt;     --> <!--  \/* Font Definitions *\/  @font-face \t{font-family:\"Century Gothic\"; \tpanose-1:2 11 5 2 2 2 2 2 2 4; \tmso-font-charset:0; \tmso-generic-font-family:swiss; \tmso-font-pitch:variable; \tmso-font-signature:647 0 0 0 159 0;}  \/* Style Definitions *\/  p.MsoNormal, li.MsoNormal, div.MsoNormal \t{mso-style-parent:\"\"; \tmargin:0in; \tmargin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:12.0pt; \tfont-family:\"Century Gothic\"; \tmso-fareast-font-family:\"Times New Roman\"; \tmso-bidi-font-family:\"Times New Roman\";} @page Section1 \t{size:8.5in 11.0in; \tmargin:1.0in 1.0in 1.0in 1.0in; \tmso-header-margin:.5in; \tmso-footer-margin:.5in; \tmso-paper-source:0;} div.Section1 \t{page:Section1;} --> <!--[if gte mso 10]&amp;gt;   \/* Style Definitions *\/  table.MsoNormalTable \t{mso-style-name:\"Table Normal\"; \tmso-tstyle-rowband-size:0; \tmso-tstyle-colband-size:0; \tmso-style-noshow:yes; \tmso-style-parent:\"\"; \tmso-padding-alt:0in 5.4pt 0in 5.4pt; \tmso-para-margin:0in; \tmso-para-margin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:10.0pt; \tfont-family:\"Times New Roman\"; \tmso-ansi-language:#0400; \tmso-fareast-language:#0400; \tmso-bidi-language:#0400;}  --><\/p>\n<p><!--[if !mso]&amp;gt;  v\\:* {behavior:url(#default#VML);} o\\:* {behavior:url(#default#VML);} w\\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}  --><!--[if gte mso 9]&amp;gt;     Normal   0         false   false   false                             MicrosoftInternetExplorer4   --><!--[if gte mso 9]&amp;gt;     --> <!--  \/* Font Definitions *\/  @font-face \t{font-family:\"Century Gothic\"; \tpanose-1:2 11 5 2 2 2 2 2 2 4; \tmso-font-charset:0; \tmso-generic-font-family:swiss; \tmso-font-pitch:variable; \tmso-font-signature:647 0 0 0 159 0;}  \/* Style Definitions *\/  p.MsoNormal, li.MsoNormal, div.MsoNormal \t{mso-style-parent:\"\"; \tmargin:0in; \tmargin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:12.0pt; \tfont-family:\"Century Gothic\"; \tmso-fareast-font-family:\"Times New Roman\"; \tmso-bidi-font-family:\"Times New Roman\";} @page Section1 \t{size:8.5in 11.0in; \tmargin:1.0in 1.0in 1.0in 1.0in; \tmso-header-margin:.5in; \tmso-footer-margin:.5in; \tmso-paper-source:0;} div.Section1 \t{page:Section1;} --> <!--[if gte mso 10]&amp;gt;   \/* Style Definitions *\/  table.MsoNormalTable \t{mso-style-name:\"Table Normal\"; \tmso-tstyle-rowband-size:0; \tmso-tstyle-colband-size:0; \tmso-style-noshow:yes; \tmso-style-parent:\"\"; \tmso-padding-alt:0in 5.4pt 0in 5.4pt; \tmso-para-margin:0in; \tmso-para-margin-bottom:.0001pt; \tmso-pagination:widow-orphan; \tfont-size:10.0pt; \tfont-family:\"Times New Roman\"; \tmso-ansi-language:#0400; \tmso-fareast-language:#0400; \tmso-bidi-language:#0400;}  --><br \/>\n<!--[endif]--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Want to jazz up your 2nd grade math class?\u00a0 Here are suggestions for addition and subtraction books, kid&#039;s websites and additional resources.\u00a0 This blog covers addition and subtraction fact families to 20, finding sums, differences, solving one and two step &hellip; <a href=\"https:\/\/blog.richmond.edu\/openwidelookinside\/2009\/07\/15\/second-grade-addition-and-subtraction\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4424,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[69,984,33],"tags":[],"class_list":["post-1423","post","type-post","status-publish","format-standard","hentry","category-math","category-summermath","category-teaching"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/posts\/1423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/users\/4424"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/comments?post=1423"}],"version-history":[{"count":0,"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/posts\/1423\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/media?parent=1423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/categories?post=1423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.richmond.edu\/openwidelookinside\/wp-json\/wp\/v2\/tags?post=1423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}