Page 105 - trackpad v5.1 class 4 flipbook
P. 105
Step 2 Drag a set pen color to block into the scripts area.
Step 3 Drag a set pen size to 5 block into the scripts area and change
the size to 5.
Step 4 Drag a pen down block.
Step 5 Drag on move 10 steps block and change it to move 50 steps .
Step 6 Now, drag Change pen color by 10 block to change the pen colour.
Step 7 Then again, move 50 steps by dragging the move 10 steps block and change it to
move 50 steps .
Step 8 Change the pen colour again by using the Change pen color by 10
block.
Step 9 At last, move 50 steps by dragging the move 10 steps block and changing
the steps to move 50 steps .
Step 10 Click the green flag at the top right corner of the stage to run your program.
when clicked
set pen color to
set pen size to 5
pen down
move 50 steps
Change pen color by 10
move 50 steps
Change pen color by 10
move 50 steps
uiz Bee Which block erases everything drawn by the pen?
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DRAWING SHAPES USING CONTROL BLOCKS
The shapes can also be drawn using different Control blocks.
REPEAT BLOCK
If you want to repeat a block of code a fixed number of times, the Repeat block is used.
With the Repeat block, you can draw Polygons. Examples of polygons are triangle, square,
pentagon, hexagon, heptagon, octagon, nonagon, decagon, etc.
Drawing Shapes in Scratch 103

