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Closed and open lines


• You will learn about closed and open lines;
• You will learn to tell closed and open lines from other geometric shapes.


1
These are open lines.
And these are closed lines.
Their ends meet.
Let's do the task together.
Let's find the open lines.
Look at the screen.
These lines are closed.
And these lines are open.
Let's choose them.
Do the next tasks by yourself.
2
Find the closed lines. Choose them.
3
Find and choose the closed green line.