Back to Understand that the probability of a chance event is a number between 0 and 1 — Problem 3 · Task Set 21
Understanding Probability: The 0-to-1 Scale
Express probability answers as fractions, decimals, or percents. When asked to classify, use the labels: impossible, unlikely, equally likely/unlikely, likely, or certain.
Grade 7·21 problems·~35 min·Common Core Math - Grade 7·standard·7-sp-c-5
Work through problems with immediate feedback
A
Fluency
1.
Complete the three anchor values on the probability scale: impossible = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ; equally likely or unlikely = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ; certain = ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ .
impossible:
equally likely/unlikely:
certain: