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Tics Lines: |
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Hash Lines: |
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Labels: |
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Font
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Trace Lines: | ||
Robot 1: |
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Robot 2: |
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Robot 3: |
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Robot 4: |
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Axes: | x-axis | y-axis | Show Grid |
Grid: | 24x24 inches | 36x36 inches | 72x72 inches |
96x96 inches | 192x192 inches | ||
Quad: | 4 quadrants | 1 quadrant | Hardware |
Units: | US Customary | Metric |
Background: |
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An a - b problem is given on the grid. Modify the preplaced blocks to drive forward a units and then backward b units. Then, use the robot's final position to answer: "what's a - b?". Refresh to try another problem. Look at Hint and/or Solution for example
/* Code generated by RoboBlockly v2.0 */ /* Problem Statement: Add two numbers a - b on a number line. Move the robot tick mark along the number line, first to the red line, and then to the green line with the two preplaced driveDistance blocks. Refresh to try another problem.*/ #include <chplot.h> #include <linkbot.h> CPlot plot; CLinkbotI robot; double radius = 1.75; // Sample Perform 9 - 3 plot.noStrokeColor(); plot.fillColor("#009900"); plot.rectangle(0, 22, 12, 2); plot.strokeWidth(3); plot.text("Perform 9 - 3", PLOT_TEXT_LEFT, 1, 22); robot.traceColor("red", 4); robot.driveDistance(9, radius); robot.traceColor("blue", 4); robot.driveDistance(-3, radius); printf("9 - 3 = 6. Ignore error message"); plot.axisRange(PLOT_AXIS_XY, 0, 24); plot.ticsRange(PLOT_AXIS_XY, 2); plot.sizeRatio(1); plot.plotting();
Problem Statement: An a - b problem is given on the grid. Modify the preplaced blocks to drive forward a units and then backward b units. Then, use the robot's final position to answer: "what's a - b?". Refresh to try another problem. Look at Hint and/or Solution for example |
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