Length Lab app for iPhone and iPad

If you are a teacher, Length Lab will help you to teach measuring length to children in Grade1-3. This app does a great job in developing the concept of measuring units.
With Length Lab, children can improve their abilities to learn about sizes, units of measure, and proportions.

Features:
*Length Lab provides 30 groups of objects. Simply pick a group of objects to compare length by estimating or measuring.
*Nonstandard Units: Custom Ruler provides 21 nonstandard units for measuring, like a coin, a paper clip, a crayon, and so on.
*Stand Unit : Switch between the US and Metric measurement system.

Meets Common Core State Standards:
Length Lab is a great educational tool that supports Measurement and Data Core Standards.