ARM 10.54.4032. BENCHMARK FOR MATHEMATICS CONTENT STANDARD 3 FOR END OF GRADE 8

(1) The benchmark for mathematics content standard 3 for a student at the end of grade 8 is the ability to: (a) define, classify, and compare properties of solids and plane figures, including lines and angles; (b) use spatial reasoning to determine congruence, similarity, and symmetry of objects in mathematics, art, science, and culture, including Montana American Indians; (c) define, identify, and execute transformations including translations, rotations, reflections, and dilations with appropriate technology; (d) measure and compute angles, perimeter, area, surface area, and volume including the use of formulas and choosing appropriate units; and (e) develop informal arguments to verify geometric relationships and solve problems such as an informal justification of the Pythagorean Theorem in a variety of contexts.