{"id":11507,"date":"2025-08-11T08:01:00","date_gmt":"2025-08-10T23:01:00","guid":{"rendered":"https:\/\/chicodori.net\/?p=11507"},"modified":"2026-10-23T23:28:31","modified_gmt":"2026-10-23T14:28:31","slug":"music-calculating-musical-notes","status":"publish","type":"post","link":"https:\/\/chicodori.net\/index.php\/en\/music-calculating-musical-notes\/","title":{"rendered":"Add note and rest values"},"content":{"rendered":"<style>body:has(.cd-music-en-page h1) .ocean-single-post-header,body:has(.cd-music-en-page) main>.post-thumbnail{display:none}.cd-music-en-page{min-width:0;line-height:1.75}.cd-music-note{padding:12px 16px;background:#eef7fb;border-left:4px solid #59b9d5;border-radius:8px;font-size:17px}.cd-music-en-page iframe{max-width:100%}.cd-music-en-page img{max-width:100%;height:auto}.cd-music-nav{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:24px 0}.cd-music-en-page #kotoba-mixer :is(button,.board-foot,.tag,.level){font-size:18px}.cd-music-en-page #kotoba-mixer .dot{font-size:24px}.cd-music-en-page #kotoba-mixer .entry{padding:12px}.cd-music-en-page #kotoba-mixer{padding:12px}.cd-music-en-page #kotoba-mixer header p{font-size:24px;line-height:1.4}.cd-music-en-page #kotoba-mixer details{font-size:20px}.cd-music-en-page #kotoba-mixer .entry :is(label,legend){font-size:20px}@media(max-width:600px){.cd-music-en-page #kotoba-mixer{padding:10px}.cd-music-en-page #kotoba-mixer .board{min-width:0}.cd-music-en-page #kotoba-mixer .dot{width:100%;max-width:48px}.cd-music-en-page #kotoba-mixer .entry{padding:10px}}<\/style><div class=\"cd-music-en-page\" lang=\"en\"><p class=\"cd-music-note\">This guide is in English. The linked activity or Scratch project uses Japanese.<\/p><h1>Add note and rest values<\/h1>\n<h2 class=\"wp-block-heading has-text-color\" style=\"color:#59b9d5\">Explore the lengths of notes and rests<\/h2>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\">Updated: 30 June 2025<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use these activities to practise the durations of musical notes and rests.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\"><div class=\"wp-block-image is-resized\">\n<figure class=\"alignleft size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-1024x1024.png\" alt=\"\" class=\"wp-image-10908\" srcset=\"https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-1024x1024.png 1024w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-300x300.png 300w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-150x150.png 150w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-768x768.png 768w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-160x160.png 160w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan-320x320.png 320w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/onpunokeisan.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/chicodori.net\/?page_id=670\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"203\" src=\"https:\/\/chicodori.net\/wp-content\/uploads\/2024\/05\/sub-m3.png\" alt=\"\" class=\"wp-image-5464\" style=\"width:258px;height:auto\"\/><\/a><\/figure>\n<\/div>\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-music is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-pale-pink-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/drill.chicodori.net\/entry\/99\/music\/calc\/note\/time\/_0\/_1\" style=\"border-radius:0px\">Add note values (without dots)<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-music is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link has-pale-pink-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/drill.chicodori.net\/entry\/99\/music\/calc\/note\/time\/_0\/_2\" style=\"border-radius:0px\">Add note values (with dots)<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-music is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link has-pale-pink-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/drill.chicodori.net\/entry\/99\/music\/calc\/note\/time\/_1\/_1\" style=\"border-radius:0px\">Add rest values (without dots)<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button btn-music is-style-outline is-style-outline--4\"><a class=\"wp-block-button__link has-pale-pink-color has-white-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/drill.chicodori.net\/entry\/99\/music\/calc\/note\/time\/_1\/_2\" style=\"border-radius:0px\">Add rest values (with dots)<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How it works<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choose the correct note or rest to see [<strong><span class=\"has-inline-color has-vivid-red-color\">\u3007<\/span><\/strong>]; an incorrect answer shows [<strong><span class=\"has-inline-color has-vivid-cyan-blue-color\">\u2715<\/span><\/strong>]. This is a simple multiple-choice quiz.<\/li>\n\n\n\n<li>Two activity settings\n<ul class=\"wp-block-list\">\n<li><strong>Without dotted values<\/strong><\/li>\n\n\n\n<li><strong>With dotted values<\/strong>(introduced in September 2021)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Who can use it?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learners exploring durations before formal work with fractions and decimals<\/li>\n\n\n\n<li>Anyone who wants to practise note durations and rhythm<\/li>\n\n\n\n<li>Learners connecting halves and quarters with musical sounds<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Comparing note lengths offers a concrete way to explore a half, a quarter and half of a half.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-0a0abb62-6e53-45d9-a4d7-ff22ec1d7ea8\">We hope repeated practice helps learners <strong><span class=\"has-inline-color has-luminous-vivid-orange-color\">understand the durations represented by notes<\/span><\/strong>.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-6f6fe07d-f0ff-455f-8956-b09303940bb5\"><img decoding=\"async\" width=\"200\" src=\"https:\/\/chicodori.net\/wp-content\/uploads\/2021\/06\/kodawari.png\" alt=\"\"><br><strong>\ud83c\udf1f Simple symbols<\/strong><br>Clear symbols make it easy to choose an answer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-6f6fe07d-f0ff-455f-8956-b09303940bb5\">\ud83c\udf1f <strong>The displayed symbols vary<\/strong><br>A little variety supports repeated practice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-6f6fe07d-f0ff-455f-8956-b09303940bb5\">\ud83c\udf1f <strong>Large, easy-to-tap buttons<\/strong><br>Designed for use on tablets and touchscreens too.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Where can this learning help?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2728 Practise keeping a rhythm<br>Understanding note and rest durations can support clapping patterns and playing together.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2728 Explore fractions through music<br>Compare a note with half or a quarter of a whole note to connect music with fractions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2728 Listen closely and explore expression<br>Notice differences in rhythm and try using them in your own music.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color\" id=\"block-eb4be8aa-bf79-4948-9f5b-cd0967d51804\" style=\"color:#59b9d5\"><strong>Development notes<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-9088ea3c-d625-40d0-a502-4ad7a817331b\">These images show early drafts of the activity screen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"392\" height=\"228\" src=\"https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/music002_draft.jpg\" alt=\"\" class=\"wp-image-773\" srcset=\"https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/music002_draft.jpg 392w, https:\/\/chicodori.net\/wp-content\/uploads\/2021\/09\/music002_draft-300x174.jpg 300w\" sizes=\"auto, (max-width: 392px) 100vw, 392px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-4d7f2b18-70b5-4f10-b863-b4953a455fa4\">Behind the scenes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-4d7f2b18-70b5-4f10-b863-b4953a455fa4\">Compared with the original <strong>screen design<\/strong>\u2026<br>The finished activity looks much like the first design, with a small change to the button shapes.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-4d7f2b18-70b5-4f10-b863-b4953a455fa4\">We hope to add more activities for exploring rhythm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-4d7f2b18-70b5-4f10-b863-b4953a455fa4\">Have an idea? Share it in the comments below or through our <a href=\"https:\/\/chicodori.net\/?page_id=610\">contact page (Japanese)<\/a>.<\/p>\n\n\n\n<div style=\"height:222px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<nav class=\"cd-music-nav\" aria-label=\"Activity navigation\"><a href=\"https:\/\/chicodori.net\/?page_id=14437&amp;lang=en\">\u2190 Music activities<\/a><a href=\"https:\/\/chicodori.net\/?p=778\" lang=\"ja\">\u65e5\u672c\u8a9e<\/a><\/nav><\/div><script>(function(){function init(){var root=document.querySelector('#right-sidebar');if(!root)return;var words={'\u30c1\u30b3\u30c9\u30ea\u30f3\u30b0\u304d\u308d\u304f':'Your Chicodori visits','\u5148\u9031':'Last week','\u4eca\u9031':'This week','\u304d\u3087\u3046\u306f\u67a0\u3064\u304d\u30fb\u304d\u305f\u65e5\u306f \u30cf\u30ca\u30de\u30eb':'Today is outlined; flowers mark your visits.','\u8a18\u9332\u306f\u3001\u3053\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002':'Visits are saved in this browser.','\u8a18\u9332\u3092\u4fdd\u5b58\u3067\u304d\u307e\u305b\u3093\u3002\u4eca\u958b\u3044\u3066\u3044\u308b\u9593\u306e\u307f\u8868\u793a\u3057\u307e\u3059\u3002':'Visits cannot be saved in this browser.','\u304a\u3059\u3059\u3081\u30b3\u30f3\u30c6\u30f3\u30c4':'Recommended (Japanese)','\u30b5\u30a4\u30c8\u5185\u691c\u7d22':'Search this site','\u3053\u3061\u3089\u3082\u3069\u3046\u305e':'More to explore (Japanese)','\u6700\u8fd1\u306e\u300c\u4eca\u9031\u306e\u304a\u3059\u3059\u3081\u300d\u8a18\u4e8b':'From our Japanese site','\u6700\u8fd1\u306e\u6295\u7a3f':'Latest posts','\u30b3\u30e9\u30e0\u2605\u30ab\u30c6\u30b4\u30ea\u30fc':'Browse categories','\u304a\u554f\u3044\u5408\u308f\u305b':'Contact (Japanese)','\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u30dd\u30ea\u30b7\u30fc':'Privacy policy (Japanese)','\u30c1\u30b3\u30c9\u30ea\u306eQR\u30b3\u30fc\u30c9':'Chicodori QR code','\u30d1\u30bd\u30b3\u30f3\u3084\u30bf\u30d6\u30ec\u30c3\u30c8\u3067\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002':'Use a computer or tablet.','\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u306f':'Some activities may not','\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059':'display correctly on phones.','\u8a00\u8a9e\u3092\u9078\u629e':'Language','\u30ab\u30c6\u30b4\u30ea\u30fc\u3092\u9078\u629e':'Choose a category'};var days={'\u65e5':'Sun','\u6708':'Mon','\u706b':'Tue','\u6c34':'Wed','\u6728':'Thu','\u91d1':'Fri','\u571f':'Sat'};var months=['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];function run(){var walk=document.createTreeWalker(root,NodeFilter.SHOW_TEXT),n;while(n=walk.nextNode()){if(n.parentElement.closest('script,style,noscript'))continue;var t=n.nodeValue,key=t.trim(),next=t;if(n.parentElement.closest('.counts'))next=t.replace('\u9023\u7d9a','Streak').replace('\u5408\u8a08','Total').replace('\u65e5\uff01','days').replace('\u65e5','days');else if(n.parentElement.closest('.weekday')&&days[key])next=t.replace(key,days[key]);else if(words[key])next=t.replace(key,words[key]);if(next!==t)n.nodeValue=next;}root.querySelectorAll('[placeholder],[aria-label]').forEach(function(el){['placeholder','aria-label'].forEach(function(k){var v=el.getAttribute(k);if(!v)return;var next=words[v]||v;if(v==='\u5148\u9031\u3068\u4eca\u9031\u306e\u8a2a\u554f\u8a18\u9332')next='Your visits last week and this week';if(v==='Primary Sidebar')next='Primary Sidebar';if(el.classList.contains('day'))next=v.replace(\/(\\d+)\u6708(\\d+)\u65e5\/g,function(_,m,d){return months[Number(m)-1]+' '+d}).replace('\u3001\u304d\u3087\u3046','; today').replace('\u3001\u30c1\u30b3\u30c9\u30ea\u30f3\u30b0\u3057\u305f\u65e5\u3001\u30cf\u30ca\u30de\u30eb','; visited');if(next!==v)el.setAttribute(k,next);});});}run();var queued=false;new MutationObserver(function(){if(queued)return;queued=true;requestAnimationFrame(function(){queued=false;run();});}).observe(root,{subtree:true,childList:true,characterData:true});}if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',init,{once:true});else init();})();<\/script><script>(()=>{function init(){const r=document.querySelector('.cd-music-en-page');if(!r)return;const run=()=>{const w=document.createTreeWalker(r,NodeFilter.SHOW_TEXT);let n;while(n=w.nextNode()){if(n.parentElement.closest('script,style,textarea'))continue;if(n.nodeValue.trim()==='\u3053\u308c\u597d\u304d')n.nodeValue=n.nodeValue.replace('\u3053\u308c\u597d\u304d','Like');}};run();new MutationObserver(run).observe(r,{subtree:true,childList:true,characterData:true});}if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',init,{once:true});else init();})();<\/script>","protected":false},"excerpt":{"rendered":"<p>This guide is in English. The linked activity or Scratch project uses Japanese. Add note and rest values Explo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10908,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1987,18],"tags":[],"cd_learning_unit":[],"cd_english_grade":[2532],"class_list":["post-11507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1987","category-18","entry","has-media"],"_links":{"self":[{"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/posts\/11507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/comments?post=11507"}],"version-history":[{"count":3,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/posts\/11507\/revisions"}],"predecessor-version":[{"id":14885,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/posts\/11507\/revisions\/14885"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/media\/10908"}],"wp:attachment":[{"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/media?parent=11507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/categories?post=11507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/tags?post=11507"},{"taxonomy":"cd_learning_unit","embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/cd_learning_unit?post=11507"},{"taxonomy":"cd_english_grade","embeddable":true,"href":"https:\/\/chicodori.net\/index.php\/wp-json\/wp\/v2\/cd_english_grade?post=11507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}