





<html>
<head>




<style type="text/css">
@media print  { .noprint  { display: none; } }
@media screen { .noscreen { display: none; } }
.thisclass{background-color:#ff0000}
h1 {font-size: 30;}
</style>



<title> werkblad minsommen tot 100 - tientallen </title>



</head>

<body>


<script type="text/javascript">




function change(color){
var el=event.srcElement
if (el.tagName=="INPUT"&&el.type=="button")
event.srcElement.style.backgroundColor=color
}



function none()
{
document.getElementById('30').style.display ="none";
document.getElementById('45').style.display ="none";
document.getElementById('60').style.display ="none";
document.getElementById('80').style.display ="none";
document.getElementById('100').style.display ="none";
document.getElementById('30antw').style.display ="none";
document.getElementById('45antw').style.display ="none";
document.getElementById('60antw').style.display ="none";
document.getElementById('80antw').style.display ="none";
document.getElementById('100antw').style.display ="none";
document.getElementById('60antw').style.display ="none";

}


function dertig()
{
none()
document.getElementById('30').style.display ="block";
antwoordvlag = 30;
}

function vijfenveertig()
{
none()
document.getElementById('45').style.display ="block";
antwoordvlag = 45;
}

function zestig()
{
none()
document.getElementById('60').style.display ="block";
antwoordvlag = 60;
}

function tachtig()
{
none()
document.getElementById('80').style.display ="block";
antwoordvlag = 80;
}

function honderd()
{
none()
document.getElementById('100').style.display ="block";
antwoordvlag = 100;
}


function antwoordenblad()
{
none()
if (antwoordvlag==30)
{document.getElementById('30antw').style.display ="block";}
if (antwoordvlag==45)
{document.getElementById('45antw').style.display ="block";}
if (antwoordvlag==60)
{document.getElementById('60antw').style.display ="block";}
if (antwoordvlag==80)
{document.getElementById('80antw').style.display ="block";}
if (antwoordvlag==100)
{document.getElementById('100antw').style.display ="block";}

}








</script>









<div class="noprint">
<br>

<table width=100%><td width = "150">

<input type="button" name="Button1" class="thisclass" value="30 sommen" onMouseOver="change('#cc0000')" onMouseOut="change('#ff0000')" style="color:#000000;" onmousedown="dertig()">
</td><td width = "150">
<input type="button" name="Button2" class="thisclass" value="45 sommen" onMouseOver="change('#cc0000')" onMouseOut="change('#ff0000')" style="color:#000000;" onmousedown="vijfenveertig()">
</td><td width = "150">
<input type="button" name="Button3" class="thisclass" value="60 sommen" onMouseOver="change('#cc0000')" onMouseOut="change('#ff0000')" style="color:#000000;" onmousedown="zestig()">
</td><td width = "150">
<input type="button" name="Button4" class="thisclass" value="80 sommen" onMouseOver="change('#cc0000')" onMouseOut="change('#ff0000')" style="color:#000000;" onmousedown="tachtig()">
</td><td width = "250">
<input type="button" name="Button5" class="thisclass" value="100 sommen" onMouseOver="change('#cc0000')" onMouseOut="change('#ff0000')" style="color:#000000;" onmousedown="honderd()">
</td><td width = "250">
<input type="button" name="Button6" class="thisclass" value="antwoordenblad" onMouseOver="change('#cc0000')" onMouseOut="change('#ff0000')" style="color:#000000;" onmousedown="antwoordenblad()">
</td>
<td> <A HREF="index.html"><IMG SRC="home.jpg" width='100' border="0"></A> </td>
</table>
<br>
<hr color = "red"><hr color = "red">
  
</div>




<script type="text/javascript">;

for (difje=1;difje<=5;difje++)
{



if (difje==1)
{
document.write ('<div id=30 style="display:none">')
aantalrijen = 3
aantalkolommen = 3  
}
if (difje==2)
{
document.write ('<div id=45 style="display:none">')
aantalrijen = 3
aantalkolommen = 4
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if (difje==3)
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document.write ('<div id=60 style="display:none">')
aantalrijen = 3
aantalkolommen = 5
}

if (difje==4)
{
document.write ('<div id=80 style="display:none">')
aantalrijen = 4
aantalkolommen = 5
}

if (difje==5)
{
document.write ('<div id=100 style="display:none">')
aantalrijen = 4
aantalkolommen = 6
}




var zelfdesom1 = 0
var zelfdesom2 = 0
aantal = (aantalkolommen - 1) * aantalrijen * 5
var antwoorden = new Array(aantal);
var antwoordengetal1 = new Array(aantal);
var antwoordengetal2 = new Array(aantal);
var antwoordenbladteller = 0



document.write("<FONT size=5>")

if (difje<=3){document.write ('<br><br>')}


document.write("<h1>Minsommen tot 100 - tientallen</h1><br><br>")
if (difje<=3){document.write ('<br>')}

document.write("naam:")



document.write("<table border = 2 width=100% cellspacing=30><TR><TD style=border:0px>")




for (rij=1;rij<=aantalrijen;rij++)
{ var nul = 0
for (kolom=1;kolom<aantalkolommen;kolom++)//2 kolommen met sommen
{ var nul = 0
for (teller=1;teller<=5;teller++)//5 sommen per rij
{

getal1 = Math.random();
getal1 = getal1*11;
getal1 = getal1 + nul; // teveel nullen voorkomen
getal1 = Math.round(getal1); 

getal2 = Math.random();
getal2 = getal2*11;
getal2 = getal2 + nul;// teveel nullen voorkomen
getal2 = Math.round(getal2);


if (getal1==zelfdesom1) // dezelfde sommen achter elkaar voorkomen
{
if (getal2==zelfdesom2)
{
getal1 = -3
}
}


if (getal1==11)
{
 
getal1 = -1
}
if (getal2==11)
{
getal1 = -1 

}

if (getal1==0)
{
 
getal1 = -1
}
if (getal2==0)
{
getal1 = -1 

}



if (getal1==10 && getal2==10){getal1 = -1}




teller = teller - 1 /* voorkomen dat er wel geteld wordt maar geen som afgedrukt */

var control = getal1 - getal2 //controleren of uitkomst = groter dan 0
if (control>-1)
{

getal1 = getal1 * 10
getal2 = getal2 * 10 
control = control * 10

 
if (aantalrijen==3){
if (getal1<100){document.write("<Font size=4>"+"&nbsp;&nbsp;")}
document.write("<Font size=4>"+getal1+" − "+getal2+" ="+"<Font size=1><br><br>")}
if (aantalrijen==4){
if (getal1<100){document.write("<Font size=3>"+"&nbsp;&nbsp;")}
document.write("<Font size=3>"+getal1+" − "+getal2+" ="+"<Font size=1><br><br>")
}
teller = teller + 1 //gelijk blijven van de teller voorkomen bij afdr. som
zelfdesom1 = getal1;
zelfdesom2 = getal2;
antwoordenbladteller = antwoordenbladteller + 1
antwoorden[antwoordenbladteller] = control
antwoordengetal1[antwoordenbladteller] = getal1
antwoordengetal2[antwoordenbladteller] = getal2
} 

if (getal1==0) 
{
nul = nul + 0.5;//teveel nullen voorkomen
}
if (getal2==0)
{
nul = nul + 0.5;
}




}//einde teller
document.write ("</TD><td style=border:0px>")
}//einde kolom
document.write ("</TR><TR><TD style=border:0px>")

}//einde rij

document.write ("</td></tr></table>")

document.write ('</div>')

if (difje==1)
{
document.write ('<div id=30antw style="display:none">')  
}

if (difje==2)
{
document.write ('<div id=45antw style="display:none">')
}

if (difje==3)
{
document.write ('<div id=60antw style="display:none">')
}

if (difje==4)
{
document.write ('<div id=80antw style="display:none">')
}

if (difje==5)
{
document.write ('<div id=100antw style="display:none">')
}




document.write("<FONT size=5>")
if (difje<=3){document.write ('<br><br>')}
document.write("<h1>antwoorden</h1><br><br>")

document.write ("</td></tr></table>")

var nico = 0
document.write("<table border = 2 width=100% cellspacing=20><TR><TD style=border:0px>")

for (rij=1;rij<=aantalrijen;rij++) 
{ 
for (kolom=1;kolom<aantalkolommen;kolom++)//2 kolommen met sommen
{ var nul = 0
for (teller=1;teller<=5;teller++)//5 sommen per rij
{







nico = nico + 1
if (aantalrijen==3){
if (antwoordengetal1[nico]<100){document.write("<Font size=4>"+"&nbsp;&nbsp;")}
document.write("<Font size=4>"+antwoordengetal1[nico]+" − "+antwoordengetal2[nico]+" = "+antwoorden[nico]+"<Font size=1><br><br>")}
if (aantalrijen==4){
if (antwoordengetal1[nico]<100){document.write("<Font size=3>"+"&nbsp;&nbsp;")}
document.write("<Font size=3>"+antwoordengetal1[nico]+" − "+antwoordengetal2[nico]+" = "+antwoorden[nico]+"<Font size=1><br><br>")
}






}//einde teller
document.write ("</TD><td style=border:0px>")
}//einde kolom
document.write ("</TR><TR><TD style=border:0px>")
}//einde rij
document.write ("</table></TR></TD>")

document.write ('</div>')

}

dertig()
</script>



</body>
</html>



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