### Learning Math and Coding with Robots

 Grid: Tics Lines: Width px Hash Lines: Width px Labels: Font px Trace Lines: Robot 1: Width px Robot 2: Width px Robot 3: Width px Robot 4: Width px
 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:

#### Robot 1

 Initial Position: ( in, in) Initial Angle: deg Current Position: (0 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 2

 Initial Position: ( in, in) Initial Angle: deg Current Position: (6 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 3

 Initial Position: ( in, in) Initial Angle: deg Current Position: (12 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

#### Robot 4

 Initial Position: ( in, in) Initial Angle: deg Current Position: (18 in, 0 in) Current Angle: 90 deg Wheel Radius: 1.75 in1.625 in2.0 in Track Width: in

Animate a Circle Moving Up and Down
Problem Statement:
The preplaced blocks animate the circle moving up 5 units. Add more blocks to animate the circle moving down 10 units, and moving up another 5 units back to where it started.
```/* Code generated by RoboBlockly v2.0 */
#include <chplot.h>
double i;
double j;
double k;
CPlot plot;

for(i = 0; i <= 5; i++) {
plot.strokeColor("black");
plot.backgroundColor("#cccccc");
plot.fillColor("red");
plot.circle(18, i + 18, 5);
delaySeconds(0.03);
}
for(j = 0; j >= -10; j--) {
plot.backgroundColor("#cccccc");
plot.fillColor("red");
plot.circle(18, j + 23, 5);
delaySeconds(0.03);
}
for(k = 0; k <= 5; k++) {
plot.backgroundColor("#cccccc");
plot.fillColor("red");
plot.circle(18, k + 13, 5);
delaySeconds(0.03);
}

plot.label(PLOT_AXIS_XY, "");
plot.grid(PLOT_OFF);
plot.tics(PLOT_AXIS_XY, PLOT_OFF);
plot.axis(PLOT_AXIS_XY, PLOT_OFF);
plot.axisRange(PLOT_AXIS_XY, 0, 36);
plot.ticsRange(PLOT_AXIS_XY, 6);
plot.sizeRatio(1);
plot.plotting();```
 Blocks Save Blocks Load Blocks Show Ch Save Ch Workspace
Problem Statement:
The preplaced blocks animate the circle moving up 5 units. Add more blocks to animate the circle moving down 10 units, and moving up another 5 units back to where it started.

Time