1. Click the green flag. Click earse all. Then click 1 whole. Wait for the circle to draw. Next click change size by 20 block. Click 1 whole again. Make 7 concentric circles. Click earse all. 2. Click the green flag then click 1/2. Wait for the 1/2 circle to draw. Click 1/2 again. Click erase all. Put the 1/2 block inside the repeat block. Notice the input is a 2. Click on the repeat block. Wait for the circle to draw. What would happen if the input number was changed? Try changing the input number. What happens? Why? 3. Find a way to make 7 concentric circles using more repeat blocks and and the fractions blocks when the green flag is clicked. Do you need to change the input number for each fraction block? Why? 4. If you combine different fractions to make a circle, make sure the fractions combine to make a complete circle. For example, 1/2 + 1/3 + 1/2 does not equal one circle. 1/4 + 1/8 + 1/8 + 1/2 does equal a complete circle. How could the center and radius sprite help you decide if a complete circle is created? 5. When you have created a group of 7 concentric circles, move the center and radius sprite and click the green flag. What happens? Press the space bar. What happens?
