學生說明
Today we will be using a protractor to measure angles.
Tips & Tricks
Place the cross of the protractor at the point (vertex) of the angle you are measuring.
The numbers on a protractor run both ways so you can measure angles
Tap
use
to move the protractor and measure each angle.
Write the angle size using
tools
Tap
when complete
教師備註 (學生不可見)
ANSWERS 1. 45 2. 30 3. 120 4. 75 5. 150 6. 90 7. 25 8 125