In this free worksheet students will encounter 12 problems where they calculate simple probabilities ranging from 0 to 1. Answer key provided. 4 pages total (2 regular, 2 answer key). This will be free until I combine in a larger paid product, get it free while it lasts! Aligns with Common Core standard 7.SP.C.7.a. Can be used as a worksheet, for homework, or as an assessment!