Scale

Performance Indicators and Descriptors

Pre-K-2
Students observe differences in scale.

a. Compare significantly different sizes, weights, ages, and speeds of objects.

3-5
Students use mathematics to describe scale for man-made and natural things.

a. Measure things to compare sizes, speeds, times, distances, and weights. b. Use fractions and multiples to make comparisons of scale.

6-8
Students use scale to describe objects, phenomena, or processes related to Earth, space, matter, and mechanical and living systems.

a. Describe how some things change or work differently at different scales. b. Use proportions, averages, and ranges to describe small and large extremes of scale.

9-Diploma
Students apply understanding of scale to explain phenomena in physical, biological, and technological systems.

a. Describe how large changes of scale may change how physical and biological systems work and provide examples. b. Mathematically represent large magnitudes of scale.