#checking

3 articles

Red-pen teacher correction theme with notebooks and graphs

9 Common Mistakes in Proportional Relationships

Avoid the most common student mistakes when checking tables, graphs, and equations for proportionality — and learn how to fix each one.

mistakes common-errors checking

Coordinate plane with highlighted straight line through origin

How to Tell if a Graph Is Proportional

See how to identify proportional graphs by checking the origin, slope, and equivalent ratios — with visual examples and a free interactive checker.

graphs checking visual

Math teacher desk with ratio table cards and graph paper

How to Tell if a Table Is Proportional

Learn the fastest way to check whether a table shows a proportional relationship using the constant ratio method, with examples and a free practice worksheet.

tables checking ratios