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Math with Device Compatiability with Number range.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
align-items: center;
}
h1 {
color: #333;
margin-top: 20px;
}
.result-display {
font-size: 20px;
color: #333;
margin-left: 20px;
}
.section {
width: 80%;
background: #fff;
padding: 20px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
margin-bottom: 20px;
display: flex;
flex-wrap: wrap;
}
.section h2 {
color: #333;
margin-bottom: 10px;
width: 100%;
}
.question {
margin: 10px;
padding: 10px;
border: 1px solid #ddd;
flex: 1 1 calc(33.333% - 20px);
box-sizing: border-box;
display: flex;
align-items: center;
}
.question span {
font-size: 18px;
margin-right: 10px;
}
.question input[type="text"] {
padding: 5px;
font-size: 16px;
width: 50px;
}
.question input[type="text"].wrong {
background-color: #ffcccc;
}
.result {
font-size: 16px;
margin-top: 10px;
}
#CheckAnswers {
background-color: #4CAF50;
color: white;
padding: 20px 40px;
border: none;
cursor: pointer;
font-size: 20px;
position: fixed;
bottom: 20px;
right: 20px;
}
#CheckAnswers:disabled {
background-color: #ccc;
cursor: not-allowed;
}
#printButton {
position: fixed;
top: 20px;
right: 20px;
background-color: #007BFF;
color: white;
padding: 10px 20px;
border: none;
cursor: pointer;
font-size: 16px;
}
@media (max-width: 600px) {
#CheckAnswers {
width: 100%;
padding: 15px;
font-size: 18px;
bottom: 0;
right: 0;
left: 0;
}
.question {
flex: 1 1 100%;
}
}
@media print {
.section {
page-break-before: always;
}
.section:first-of-type {
page-break-before: auto;
}
}
</style>
</head>
<body>
<h1>Math Exam <span class="result-display" id="resultDisplay"></span></h1>
<div>
<label for="num1Digits">Number of digits for first number:</label>
<select id="num1Digits">
<option value="10">1-10</option>
<option value="20">1-20</option>
</select>
<label for="num2Digits">Number of digits for second number:</label>
<select id="num2Digits">
<option value="10">1-10</option>
<option value="20">1-20</option>
</select>
<button onClick="generateQuestions()">Generate Questions</button>
</div>
<button id="printButton" onClick="window.print()">Print</button>
<div id="divisionSection" class="section">
<h2>Division Questions</h2>
</div>
<div id="additionSection" class="section">
<h2>Addition Questions</h2>
</div>
<div id="subtractionSection" class="section">
<h2>Subtraction Questions</h2>
</div>
<div id="multiplicationSection" class="section">
<h2>Multiplication Questions</h2>
</div>
<input type="button" onClick="CheckAnswers()" id="CheckAnswers" value="Check Answers">
<script>
var total_number_of_questions = 0;
function CheckAnswers() {
var i = 1;
var marks = 0;
while (i <= total_number_of_questions) {
var id1 = "user_answer" + i;
var id2 = "correct_answer" + i;
var userAns = parseFloat(document.getElementById(id1).value);
var correctAns = parseFloat(document.getElementById(id2).value);
var resultId = "result" + i;
if (userAns === correctAns) {
marks = marks + 1;
document.getElementById(id1).classList.remove('wrong');
document.getElementById(resultId).innerText = "Correct!";
} else {
document.getElementById(id1).classList.add('wrong');
document.getElementById(resultId).innerText = "X! Correct answer: " + correctAns;
}
i = i + 1;
}
document.getElementById("CheckAnswers").disabled = true;
document.getElementById("resultDisplay").innerText = marks + "/" + total_number_of_questions;
}
function getRandomIntInclusive(min, max) {
const minCeiled = Math.ceil(min);
const maxFloored = Math.floor(max);
return Math.floor(Math.random() * (maxFloored - minCeiled + 1) + minCeiled);
}
function DesignQuestionPaper(questionCount, operation, minNum1, maxNum1, minNum2, maxNum2, sectionId) {
var i = 1;
while (i <= questionCount) {
total_number_of_questions = total_number_of_questions + 1;
var num1 = getRandomIntInclusive(minNum1, maxNum1);
var num2 = getRandomIntInclusive(minNum2, maxNum2);
if ((operation === '-' || operation === '/') && num2 > num1) {
var num = num1;
num1 = num2;
num2 = num;
}
var ans = 0;
if (operation === '*')
ans = num1 * num2;
if (operation === '+')
ans = num1 + num2;
if (operation === '-')
ans = num1 - num2;
if (operation === '/')
ans = num1 / num2;
else
ans = parseFloat(ans).toFixed(0);
var id1 = "user_answer" + total_number_of_questions;
var id2 = "correct_answer" + total_number_of_questions;
var resultId = "result" + total_number_of_questions;
var question = "<div class='question'><span>" + num1 + " " + operation + " " + num2 + " = </span> <input type='text' id='" + id1 + "' /> <input type='text' hidden value='" + ans + "' id='" + id2 + "' /> <span class='result' id='" + resultId + "'></span></div>";
document.getElementById(sectionId).innerHTML += question;
i = i + 1;
}
}
function generateQuestions() {
var num1Digits = parseInt(document.getElementById('num1Digits').value);
var num2Digits = parseInt(document.getElementById('num2Digits').value);
var minNum1, maxNum1, minNum2, maxNum2;
if (num1Digits === 10) {
minNum1 = 1;
maxNum1 = 10;
} else if (num1Digits === 20) {
minNum1 = 1;
maxNum1 = 20;
} else if (num1Digits === 30) {
minNum1 = 1;
maxNum1 = 30;
} else if (num1Digits === 40) {
minNum1 = 1;
maxNum1 = 40;
} else if (num1Digits === 50) {
minNum1 = 1;
maxNum1 = 50;
} else {
minNum1 = Math.pow(10, num1Digits - 1);
maxNum1 = Math.pow(10, num1Digits) - 1;
}
if (num2Digits === 10) {
minNum2 = 1;
maxNum2 = 10;
} else if (num2Digits === 20) {
minNum2 = 1;
maxNum2 = 20;
} else if (num2Digits === 30) {
minNum2 = 1;
maxNum2 = 30;
} else if (num2Digits === 40) {
minNum2 = 1;
maxNum2 = 40;
} else if (num2Digits === 50) {
minNum2 = 1;
maxNum2 = 50;
} else {
minNum2 = Math.pow(10, num2Digits - 1);
maxNum2 = Math.pow(10, num2Digits) - 1;
}
document.getElementById('divisionSection').innerHTML = '<h2>Division Questions</h2>';
document.getElementById('additionSection').innerHTML = '<h2>Addition Questions</h2>';
document.getElementById('subtractionSection').innerHTML = '<h2>Subtraction Questions</h2>';
document.getElementById('multiplicationSection').innerHTML = '<h2>Multiplication Questions</h2>';
total_number_of_questions = 0;
DesignQuestionPaper(20, '/', minNum1, maxNum1, minNum2, maxNum2, 'divisionSection');
DesignQuestionPaper(20, '+', minNum1, maxNum1, minNum2, maxNum2, 'additionSection');
DesignQuestionPaper(20, '-', minNum1, maxNum1, minNum2, maxNum2, 'subtractionSection');
DesignQuestionPaper(20, '*', minNum1, maxNum1, minNum2, maxNum2, 'multiplicationSection');
}
generateQuestions();
</script>
</body>
</html>