Which actions reflect effective mathematics teaching practices? Select all that apply.

A. Establish mathematics goals that do not focus the learning.

B. Implement tasks that do not promote reasoning and problem solving.

C. Use and connect mathematical representations.

D. Facilitate negative and corrective mathematical discourse.

E. Pose purposeful questions.

F. Build conceptual understanding from procedural fluency.

G. Support productive struggle only during the spiral review.

H. Elicit and use evidence of student thinking.