$max_top_digits || $min_bottom_digits > $max_bottom_digits) {
echo("Error: Minimum number of digits can not be greater than the maximum number
\n");
return;
}
// Setup title and op symbol
switch ($operation) {
case 'addition':
$title = "Addition";
$op = "+";
break;
case 'subtraction':
$title = "Subtraction";
$op = "-";
if ($min_bottom_digits > $max_top_digits) {
echo("Error: Simple subtraction can not have more digits in the second term
\n");
return;
}
break;
case 'multiplication':
$title = "Multiplication";
$op = "x";
break;
case 'division':
$title = "Division";
$op = "÷";
break;
}
$min1 = intval(substr("100000000",0,$min_top_digits));
$max1 = intval(substr("999999999",0,$max_top_digits));
$min2 = intval(substr("100000000",0,$min_bottom_digits));
$max2 = intval(substr("999999999",0,$max_bottom_digits));
if ($min1 == 1 && $operation != 'division') $min1 = 0;
if ($min2 == 1 && $operation != 'division') $min2 = 0;
// Display each page of questions
$questions = array();
$num = 0;
for ($p = 0; $p < $pages; $p++) {
// Setup the questions
for ($r = 0; $r < $numRows; $r++) {
for ($q = 0; $q < $numQuestions; $q++) {
$op1 = rand($min1,$max1);
$op2 = rand($min2,$max2);
$lcount = 0;
while ($operation == 'subtraction' && $op2 > $op1) {
$op2 = rand($min2,$max2);
$lcount++;
if ($lcount > 5) {
$op1 = rand($min1,$max1);
$lcount = 0;
}
}
// Calculate the answer
switch ($operation) {
case 'addition':
$ans = $op1 + $op2;
break;
case 'subtraction':
$ans = $op1 - $op2;
break;
case 'multiplication':
$ans = $op1 * $op2;
break;
case 'division':
$val = $op1 * $op2;
$ans = $op2;
$op2 = $op1;
$op1 = $val;
break;
}
// Store the question terms
$questions[$num]['1'] = $op1;
$questions[$num]['2'] = $op2;
$questions[$num]['ans'] = $ans;
$num++;
}
}
}
// Display the questions only
$num = 0;
$tableStyle = "style='border: solid 1px #611A0B;'";
for ($p = 0; $p < $pages; $p++) {
$page = $p + 1;
?>
>
| Math Worksheet - (Page ) |
| |
\n");
for ($q = 0; $q < $numQuestions; $q++) {
$op1 = $questions[$num]['1'];
$op2 = $questions[$num]['2'];
$ans = $questions[$num]['ans'];
$num++;
?>
$op $op2") ?>
|
|
\n");
}
?>
>
| Math Worksheet - Answers (Page ) |
| |
\n");
for ($q = 0; $q < $numQuestions; $q++) {
$op1 = $questions[$num]['1'];
$op2 = $questions[$num]['2'];
$ans = $questions[$num]['ans'];
$num++;
?>
$op $op2") ?>
|
|
\n");
}
?>
