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| <!DOCTYPE html> | ||
| <html data-require="math graphie"> | ||
| <head> | ||
| <title>Division 0.5</title> | ||
| <script src="../khan-exercise.js"></script> | ||
| <script> | ||
| function drawColumn( num, x, color, startCount ) { | ||
| with ( KhanUtil.currentGraph ) { | ||
| style({ | ||
| stroke: color | ||
| }); | ||
|
|
||
| for ( var y = 0; y < num; y++ ) { | ||
| label( [ x, y ], "\\small{\\color{" + color + "}{" + ( startCount + num - y ) + "}}" ); | ||
| circle( [ x, y ], 0.25 ); | ||
| } | ||
| } | ||
| } | ||
| </script> | ||
| </head> | ||
| <body> | ||
| <div class="exercise"> | ||
| <div class="vars"> | ||
| <var id="A">randRange( 1, 10 )</var> | ||
| <var id="B">randRange( 1, 10 )</var> | ||
| <var id="C">A * B</var> | ||
| <var id="LABEL">{}</var> | ||
| </div> | ||
|
|
||
| <div class="problems"> | ||
| <div> | ||
| <div class="graphie" id="numbers"> | ||
| init({ | ||
| range: [ [ -1, B + 1 ], [ -1, A + 1 ] ], | ||
| scale: [ 50, 50 ] | ||
| }); | ||
|
|
||
| LABEL = label( [ 0, A ], | ||
| "\\Huge{\\color{ #6495ED }{ <var>C</var> } \\div \\color{ #FFA500 }{ <var>B</var> } = ?}", "right" ); | ||
| </div> | ||
| <div class="solution"><var>A</var></div> | ||
| </div> | ||
| </div> | ||
| <div class="hints"> | ||
| <div class="graphie" data-update="numbers"> | ||
| for ( var i = 0; i < B; i++ ) { | ||
| drawColumn( A, i, "#6495ED", A * i ); | ||
| } | ||
| </div> | ||
| <div class="graphie" data-update="numbers"> | ||
| style({ | ||
| stroke: "#FFA500" | ||
| }); | ||
| for ( var i = 1; i < B; i++ ) { | ||
| path ( [ [ i - 0.5 , -0.5 ], [ i - 0.5 , A - 0.5 ] ]); | ||
| } | ||
| </div> | ||
| <div class="graphie" data-update="numbers"> | ||
| LABEL.remove(); | ||
| label( [ 0, A ], | ||
| "\\Huge{\\color{ #6495ED }{" + C + "} \\div \\color{ #FFA500 }{" + B + "} = " + A + "}", "right" ); | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </body> | ||
| </html> |