✅Save 30% off by purchasing this bundle!✅ If you are studying measurement in your second grade class, then this set is for you! These digital Boom Cards™ are a perfect review of standard units of measure when talking about inches, centimeters, feet, meters, yards, or kilometers. This includes interactive Boom Cards™ where the students can move the ruler to measure an item. It also includes estimating measurement. For example, is an eraser about 1 centimeter, 1 meter, or 1 kilometer? Not on