$printableCode(); } private function SIMULTAN1(){ $data = []; for ($ii = 0; $ii < 50; $ii++) { $la1 = array("x","a","p","r","q","s"); // your choice for variale name $la2 = array("y","z","n","m","u","f"); // your choice for variale name different from list la1 $let1 = $la1[rand(0,5)]; // pick a variale name to use $let2 = $la2[rand(0,5)]; // pick a variale name to use $ans1 = rand(1,9); // generate the solution 1 $ans2 = rand(2,11); // generate the solution 2 if ($ans2 == $ans1) $ans2 = rand(2,11); // regenrate it $c1 = rand(1,6); $c2 = rand(1,6); $c3 = rand(1,6); if ($c3 == $c1) $c3 = rand(2,11); // regenrate it $c4 = rand(1,6); if ($c4 == $c2) $c4 = rand(2,11); // regenrate it $mopt = array(1,-1); $mp1 =$mopt[rand(0,1)]; $mp2 =$mopt[rand(0,1)]; $tot1 = $c1*$ans1 + $mp1*$c2*$ans2; $tot2 = $c3*$ans1 + $mp2*$c4*$ans2; $question1 = " $c1$let1" .( $mp1>0?"+":"-"). "$c2$let2 = $tot1 "; $question2 = " $c3$let1" .( $mp2>0?"+":"-"). "$c4$let2 = $tot2 "; $question3 = " What is $let1 and $let2 ?"; $realQ = array( 'no'=>$ii+1, 'l1'=>$question1, 'l2'=>$question2, 'l3'=>$question3, 'q'=>$question1 ."
".$question2 ."
". $question3, 'ans'=> $ans1.",".$ans2 ); $data[] = $realQ; } $result =array( 'desc' =>'Basic Simultaneous Equations', 'detail'=> 'Basic Simultaneous Equations Practice', 'col' => 1, 'frame'=>'line', 'data'=>$data ); return $result; } private function EQUATION1(){ $data = []; $p1=['Apple','Banana','Gape']; $p2=['Lemon','Mango','Orange']; $txtL1 = $p1[rand(0,2)]; $txtL2 = $p2[rand(0,2)]; for ($ii = 0; $ii < 24; $ii++) { $xpart = rand(1, 2); $xp = ""; for ($i = 0; $i < $xpart; $i++) { $xc = rand(1,4); $xp .= ($xc>1?$xc:'')." ".$txtL1.($xc>1?"s":'').($i< $xpart-1?" + ":''); // $i=$i+$xc; } $ypart = rand(1, 2); $yp = ""; for ($iy = 0; $iy < $ypart; $iy++) { $yc = rand(1,6); $yp .= " + ". ($yc>1?$yc:'')." ".$txtL2.($yc>1?"s":''); } $question = $xp . $yp. " = "; $realQ = array( 'no'=>$ii+1, 'l1'=>$xp, 'l2'=>$yp, 'l3'=>'', 'q'=>$question, 'ans'=> '' ); $data[] = $realQ; } $result =array( 'desc' =>'Basic Equations Level 1', 'detail'=> 'Basic Equations Level 1 Practice, Simplify the expressions', 'col' => 1, 'frame'=>'line', 'data'=>$data ); return $result; } private function EXPONENT1(){ $data = []; $la1 = array("x","a","p","r","q","s","y","z","n","m","u","f"); for ($ii = 0; $ii < 50; $ii++) { $numV = rand(2,3); $var_list= array(); for ($i=0; $i<$numV; $i++){ $var_list[$i] = $la1[rand(0,(count($la1)-1))]; } $numQ = rand(4,8); $quest_list= array(); $quest =""; for ($i=0; $i<$numQ; $i++){ $quest_list[$i] = $var_list[rand(0,(count($var_list)-1))]; $quest .= ($i>0?" . ":'').$quest_list[$i]; } $realQ = array( 'no'=>$ii+1, 'l1'=>'', 'l2'=>'', 'l3'=>'', 'q'=>$quest." = ", 'ans'=> '' ); $data[] = $realQ; } $result =array( 'desc' =>'Basic Exponential Expression', 'detail'=> 'Basic Exponential Expression Level 1, Simplify the expressions', 'col' => 1, 'frame'=>'line', 'data'=>$data ); return $result; } private function EQUATION4(){ $data = []; $la1 = array("x","a","p","r","q","s","y","z","n","m","u","f"); for ($ii = 0; $ii < 50; $ii++) { $numV = rand(2, 3); $var_list = array(); for ($i = 0; $i < $numV; $i++) { $var_list[$i] = $la1[rand(0, (count($la1) - 1))]; } $numQ = rand(4, 8); $sign_arr = array("+", "-"); $quest_list = array(); $quest = ""; for ($i = 0; $i < $numQ; $i++) { $quest_list[$i] = $var_list[rand(0, (count($var_list) - 1))]; $sgn = $sign_arr[rand(0, 1)]; if ($i == 0 && $sgn == "+") { $sgn = ""; } $que = rand(1, 5); if ($que == 1) { $que = ""; } $quest .= " ".$sgn . $que . $quest_list[$i]; } $realQ = array( 'no' => $ii + 1, 'l1' => '', 'l2' => '', 'l3' => '', 'q' => $quest . " = ", 'ans' => '' ); $data[] = $realQ; } $result =array( 'desc' =>'Equation Simplification IV', 'detail'=> 'Basic Exponential Expression Level 1, Simplify the expressions', 'col' => 1, 'frame'=>'line', 'data'=>$data ); return $result; } }