This Equations – Cross Multiplication instructional video also includes:
Mastering the art of solving a proportion is not only important for algebra, but it's crucial to geometry and statistics as well. A quick video demonstrates the use of cross multiplication to solve a proportion. The lesson includes options for independent practice following the video demonstration.
- Assign the video for independent viewing and ask pupils to take notes
- Follow the video with practice solving proportions
- Relies on previous work with simple proportions
- Includes an answer key for independent practice assignments
- Uses mathematical vocabulary throughout the explanations