This 2-page worksheet was created to help students better understand the metric amounts of liters and milliliters. Twelve pictures of common items have been chosen to represent liter amounts, while 12 common items have been chosen to represent milliliter amounts. Use this worksheet to supplement your study of metric volume. The top of each side of the worksheet describes the metric amount 4 items holds. Students use those guidelines to estimate the volume of twenty-four containers. An answer key is provided.