engaging printable & digital math lessons for upper elementary teachers
This math vocabulary poster helps students recognize and understand a straight angle by clearly showing an angle that forms a straight line and measures exactly 180 degrees using a simple visual model.
⭐ Definition: an angle that measures exactly 180°
Example:
The angle shown on the card is a straight angle because it forms a straight line and measures 180°.
What’s Included
• Full-page poster
• Half-page version
• Display on your math word wall
• Use during guided math and whole-group discussions
• Model how to use the word in math talk
• Print multiple per page for math vocabulary notebooks
• Add mini versions to math toolkits or vocabulary rings
Looking for more math vocabulary support?
Explore our elementary math vocabulary library: https://mathtechconnections.com/math-vocabulary/
