15 Tài liệu và giáo trình dạy tiếng Anh cho trẻ em hiệu quả nhất 2022 mới nhất

Mục lục
hiện

Dạy bé học tiếng Anh ngay từ sớm là điều mà các bậc phụ huynh hết sức quan tâm. Tuy nhiên, đâu là thời điểm “vàng” để bé trau dồi ngoại ngữ? Ba mẹ nên sử dụng giáo trình dạy tiếng Anh cho trẻ em nào để mang lại hiệu quả tốt nhất? Cùng ELSA Speak khám phá câu trả lời trong bài viết sau!

Thời điểm vàng để trẻ học tiếng Anh

Hiện nay, trẻ em được tiếp xúc với ngoại ngữ từ rất sớm. Điều này giúp bé rèn luyện phản xạ tiếng Anh và có thể tự tin giao tiếp trong các tình huống thường ngày. Vậy đâu là thời điểm “vàng” để dạy bé học tiếng Anh?


Kiểm tra phát âm với bài tập sau:

{{ sentences[sIndex].text }}
Click to start recording!

Recording… Click to stop!

`,
data() {
return {
audioContext: false,
canTest: false,
sendData: ”,
loading: false,
resultTest: {},
}
},
mounted() {
if (this.supported()) {
this.canTest = true;
}
this.$options.sockets.onmessage = (data) => {
data = JSON.parse(data.data);
console.log(data);
this.processResponseWebSocket(data);
};
},
props: [‘input’, ‘isActive’],
methods: {
supported() {
return (window.AudioContext !== undefined || window.webkitAudioContext !== undefined) &&
navigator.mediaDevices &&
navigator.mediaDevices.getUserMedia;
},
processResponseWebSocket(data) {
if (data.type === ‘ELSA:decoding_result’) {
this.severStopRecording();
this.resultTest = data.data;
this.emitResult();
} else if (data.type === ‘ELSA:server_closing’) {
this.resultTest = {
error: ‘server_closing’
};
this.emitResult();
}
//data.type === ‘ELSA:error’?
},
initRecording() {
this.$SOCKET.initWebsocket(this.input);
this.canTest = true;
},
recordStreaming() {
const vm = this;
rec && rec.exportWAV(function(blob) {
currentRecordBlob.push(blob);
if (vm.$SOCKET.isOpen()) {
vm.$SOCKET.sendAudio(blob);
rec.clear();
} else {
console.log(‘socket close!’)
vm.severStopRecording();
vm.resultTest = {
error: ‘server_closing’
};
vm.emitResult();
}
});
},
startRecording() {
console.log(‘startRecording’);
if (this.canTest) {
const constraints = {
audio: true,
video: false
};
const that = this;
navigator.mediaDevices.getUserMedia(constraints).then(function(stream) {
that.audioContext = new AudioContext();
gumStream = stream;
input = that.audioContext.createMediaStreamSource(stream);
rec = new Recorder(input, {
numChannels: 1
})
rec.record();
that.initRecording();
}).catch(function(err) {
console.log(err);
// check for microphone allows!
checkDeviceSupport(function() {
if(!isMicrophoneAlreadyCaptured) {
alert(‘Microphone not allowed. Make sure your browser allows micro in its setting and you accept this page to access your micro!’)
location.reload()
} else {
slog(‘error’, err.message, `startRecording -> navigator.mediaDevices.getUserMedia -> isMicrophoneAlreadyCaptured: ${isMicrophoneAlreadyCaptured}`);
alert(`Something wrong! (${err.message}). The page will be reload`)
location.reload()
}
});
});

this.sendData = setInterval(this.recordStreaming, 2000);
} else {
alert(‘Microphone not supported. Make sure you are using a browser that allows microphone recording. (Safari for iPhone/IPad, Chrome/Firefox for Android)’)
}
},
userStopRecord() {
this.$SOCKET.finishRecord();
rec && rec.stop();
gumStream && gumStream.getAudioTracks()[0].stop();
this.recordStreaming();
this.loading = true;
rec.clear();
clearInterval(this.sendData);
},
severStopRecording() {
this.$SOCKET.disconnectSocket();
clearInterval(this.sendData);
rec && rec.stop();
gumStream && gumStream.getAudioTracks()[0].stop();
this.loading = false;
rec.clear();
},
recording: function() {
if (this.isActive) {
this.$emit(‘start’, {});
this.startRecording();
}
},
submit: function() {
this.userStopRecord();
},
emitResult: function() {
this.$emit(‘result’, {
score: this.resultTest
});
this.resultTest = {};
}
}
});
/////////////////////////////////////////// data ///////////////////////////////////////
// var instruction = new Vue({
// el: ‘#instruction’,
// data: {
// message: ‘https://d1t11jpd823i7r.cloudfront.net/favicon/favicon.ico’
// }
// });
var postId, matches = document.body.className.match(/(^|s)postid-(d+)(s|$)/);
if (matches) {
// found the id
postId = matches[2];
}
if(postId == “1020”){
var sentences = [{
text: ‘I noticed some unusual charges yesterday.’,
hash: ’93d62441154adb0462a21148bc28e2cc5c1719d8c2c36ebfd9e9b54910fca5d2′,
audio_url: ‘https://d2hga9ilh6x7l5.cloudfront.net/ELSA/m65/l1632/e8080/0n3mnh2rxolac8gvuemk59yba.mp3’,
audio: null,
}, {
text: ‘People returns to their hometowns, clean their homes, decorate and cook traditional food.’,
hash: ‘490ea75959b74778991cd416e41daaa1147afaf076204c4ace836fa3be268e46’,
audio_url: ‘https://content-media.elsanow.co/_extras_/dnhkc0nw4vg6fahj0ivjpgc69.mp3’,
audio: null,
}, {
text: ‘Parents give children lucky money in red envelopes on the first day of Lunar New Year.’,
hash: ‘b163537e4f0aacc02b2afc00fa4e268738ffe02847cb9bf4bb89296148cadee2’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m76/l6955/e30982/1ihnqwctnznb5o0t81urkdrc9.mp3’,
audio: null,
},]
} else if(postId == “4245”){
var sentences = [{
text: ‘People returns to their hometowns, clean their homes, decorate and cook traditional food.’,
hash: ‘490ea75959b74778991cd416e41daaa1147afaf076204c4ace836fa3be268e46’,
audio_url: ‘https://content-media.elsanow.co/_extras_/dnhkc0nw4vg6fahj0ivjpgc69.mp3’,
audio: null,
}, {
text: “I’m going to the conference this year.”,
hash: ‘8679c3596e09973d9024d50298f9f0ee76a06fe25c9c8e164ccdb9bc46c3dd6b’,
audio_url: ‘https://content-media.elsanow.co/_extras_/w32xucijsggu6whs0jok41vyc.mp3’,
audio: null,
},{
text: ‘My objective is to learn a lot there.’,
hash: ‘471e9bab4c0067dd58769927cb774d06005c965c8800e973ed57aa7b1601d65f’,
audio_url: ‘https://content-media.elsanow.co/_extras_/km8dmpvn8a8vogv0pypc17vxc.mp3’,
audio: null,
},]
} else if(postId == “1005”){
var sentences = [{
text: ‘I used to play squash but I had to give it up. I hurt my shoulder pretty bad last year’,
hash: ‘4d9eab3421f86a8b07f2e25f54ac258ce0def5a3912fd402f2de3969f91835f3’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8637/e40464/2uwlpt9mwbvvgvl0jqq8oj214.mp3’,
audio: null,
},{
text: ‘We figured out a solution to the problem’,
hash: ‘e1f5c7388a662e2a13b81c885985af88859d193373b852101e6452ef6fc7cd3b’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8643/e40496/mt9fnwig2sdcjtvo4k60xwkn3.mp3’,
audio: null,
},{
text: ‘We will, yes! As I pointed out earlier, we want everyone to be involved’,
hash: ‘afb884f6db918faf158011b89b57d0431f805cd05b045711ef7a5b64359982c1’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8646/e40512/qwq92516ifmovolo2200my164.mp3’,
audio: null,
},]
} else if(postId == “3680”){
var sentences = [{
text: ‘I used to play squash but I had to give it up. I hurt my shoulder pretty bad last year’,
hash: ‘4d9eab3421f86a8b07f2e25f54ac258ce0def5a3912fd402f2de3969f91835f3’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8637/e40464/2uwlpt9mwbvvgvl0jqq8oj214.mp3’,
audio: null,
},{
text: ‘We figured out a solution to the problem’,
hash: ‘e1f5c7388a662e2a13b81c885985af88859d193373b852101e6452ef6fc7cd3b’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8643/e40496/mt9fnwig2sdcjtvo4k60xwkn3.mp3’,
audio: null,
},{
text: ‘We will, yes! As I pointed out earlier, we want everyone to be involved’,
hash: ‘afb884f6db918faf158011b89b57d0431f805cd05b045711ef7a5b64359982c1’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8646/e40512/qwq92516ifmovolo2200my164.mp3’,
audio: null,
},]
}else if(postId == “8343”){
var sentences = [{
text: ‘Are we going out? I should probably change into a dress then’,
hash: ‘e7b4fd8dad2dd964e0cd154c544fd3594cffc1357aa7720d350ab98123c6faac’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8642/e40491/evlbjwk09mfbmfg6chzo3cd44.mp3’,
audio: null,
},{
text: “For sure! I’ll need to visit several branches every week”,
hash: ‘0c1f6f2c16b52ca34d6a77c99fd62a9a3b0e5824a7c8e3c047800be70a0a270a’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8648/e40522/q0qbuwo7vm3v6j3rcek3f6g54.mp3’,
audio: null,
},{
text: ‘Well, it turned out that Charles was also in town’,
hash: ‘a75b35532832e4aa63a33994cc98bbfba45b124dde1162b06b0f6518e1f1f2c2’,
audio_url: ‘https://content-media.elsanow.co/ELSA/m516/l8655/e40557/iac1mj826m8j7l8608ab57dv3.mp3’,
audio: null,
},]
} else {
var sentences = [{
text: ‘This summer I will visit a new country with two of my best friends’,
hash: ‘9d04f4a4bc5b420616c5b0df180b8b4219c87a07e8348fad093c0ddabed8d48b’,
audio_url: ‘https://d1t11jpd823i7r.cloudfront.net/assessment/audio/general_01.mp3’,
audio: null,
}, {
text: ‘We will go sightseeing and stay at a resort by the ocean’,
hash: ‘0136951c3017585dd152790a772682b53749830474ca8d33fb4d0de406b155df’,
audio_url: ‘https://d1t11jpd823i7r.cloudfront.net/assessment/audio/general_02.mp3’,
audio: null,
}, {
text: ‘We will get to enjoy a nice room with a beautiful view of the ocean’,
hash: ‘a65afb8118966d627e6f4e354ebc17a0d74c0e941a76323ff68815a73ebc2003’,
audio_url: ‘https://d1t11jpd823i7r.cloudfront.net/assessment/audio/3-We_will_get.mp3’,
audio: null,
}, ]

// shuffle sentences
}
/////////////////////////////////////////// tracking ///////////////////////////////////////
function setCookie(cname, cvalue, exdays) {
var d = new Date();
d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
var expires = “expires=” + d.toUTCString();
document.cookie = cname + “=” + cvalue + “;” + expires + “;path=/”;
}

function getCookie(cname) {
var name = cname + “=”;
var decodedCookie = decodeURIComponent(document.cookie);
var ca = decodedCookie.split(‘;’);
for (var i = 0; i 768 )
{
var circle_diameter = vw > 768 ? 120: 80;
}
else
{
var circle_diameter = vw 10) {
console.log(‘wait too long’)
clearInterval(waitingInterval);
this.force_try_again();
}
}

},
restart: function() {
this.sIndex = 0;
this.userResponses = Array(this.sentences.length).fill(null);
},
next: function() {
if (this.currentQuestion {
const avg = self.userResults.reduce((prev, cur) => prev + cur.nativeness_score_percentage_user, 0);
self.avg = Math.round(avg / self.userResults.length);
var phonemesNew = phonemes.map(({ start_index, end_index, text, score_type }) => ({
start_index,
end_index,
text,
score_type
}));
return {
nativeness_score_percentage,
nativeness_score_percentage_partial,
nativeness_score_percentage_user,
phonemes: phonemesNew,
sentence,
audio_url: self.sentences[index].audio_url
}
});
document.getElementById(‘native-score’).value = self.avg;
if (self.testResult.length) {
localStorage.setItem(‘userResult’, JSON.stringify(self.testResult));
openPopup();
}
}
},
register: function() {
window.location.href = “https://vn.elsaspeak.com/tieng-anh-speaking-full-payment/?lead_source=” + lead_source + “&utm_medium=Blog&utm_content=giao-trinh-day-tieng-anh-cho-tre-em&utm_term=hoc-tieng-anh&utm_source=SEO&placement=trial_section&utm_campaign=trial_section”;
},
prev: function() {
if (this.sIndex > 0) {
this.sIndex–;
this.retry();
}
},
retry: function() {
if (this.activeButton != ”) return;
this.state=”viewing”;
this.userResults[this.sIndex] = null;
},
scored: function(e) {
if (e.score) {
waitingInterval && clearInterval(waitingInterval);
if (e.score.error === ‘server_closing’) {
if (this.state == ‘playing’ || this.state == ‘finish’) this.force_try_again();
return;
}
this.userResponses[this.sIndex] = currentRecordBlob;
currentAudio = null;
this.userResults[this.sIndex] = e.score
this.native_score = this.userResults[this.sIndex].nativeness_score_percentage_user;
this.level = score_to_level(this.native_score);
this.completedSteps = Math.round(this.native_score);
this.state=”result”;
do_tracking(this.native_score);
} else {
alert(‘Server error! Sorry for this inconvinient, please try again’);
this.state=”viewing”;
}
},
phonemeHighlighter() {
let output=””;
const strings = this.sentences[this.sIndex].text.trim();
if (!this.userResults[this.sIndex]) return strings;
phonemes = this.userResults[this.sIndex].phonemes;
var whiteSpace = [];
for (var i = 0; i ‘ + strings[index] + ”;
if (whiteSpace.includes(index)) {
output += ‘ ‘;
}
}
}
return output ? ‘‘ + output + ‘.‘ : strings;
},
},
watch: {
state(newState) {
if (this.sIndex === this.sentences.length – 1 && newState == ‘result’) {
this.next();
}
}
}
})
$(window).resize(function() {
vw = Math.min(document.documentElement.clientWidth || 1000, window.innerWidth || 1000);
circle_diameter = vw > 768 ? 120 : 90;
app.circle_diameter = circle_diameter;
});
var do_tracking = function(score) {
console.log(‘Tracking: score ‘ + score);
}
$(window).on(“unload”, app.close);
// load audio
for (let index = 0; index